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Results for “Liniments”

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At least 55 records · Page 3Linked to original sources

PubMed1997

Experimental studies of methemoglobinemia due to percutaneous absorption of sodium nitrite.

OBJECTIVE: Methemoglobin formation caused by a liniment solution containing sodium nitrite (30 g/L and 140 g/L) was studied in rats with normal or abraded skin, by measuring the methemoglobin concentration before and after application of liniment solutions with differing nitrite concentration. METHODS: Each liniment solution (120 microL) was applied. Methemoglobin was measured for 180 minutes using a hemoximeter. Simultaneously, arterial blood pressure and cutaneous blood flow was measured by laser Doppler flowmetry and a pressure transducer. RESULTS: After the application of each liniment solution to normal skin, the methemoglobin concentration was not significantly modified depending on the time after application. Application of liniment solution to abraded skin (140 g/L) resulted in a marked increase in methemoglobin concentration. A remarkable decrease in arterial blood pressure and subcutaneous blood flow were observed after application of liniment solution to abraded skin (140 g/L). CONCLUSIONS: Each of these findings are characteristic of nitrite and they imply the percutaneous absorption of nitrite. Regardless of the nitrite concentration, the methemoglobin concentration was consistently higher in abraded skin than in normal skin.

Administration, Cutaneous↗

PubMed2005

Non-invasive monitoring of muscle blood perfusion by photoplethysmography: evaluation of a new application.

AIM: To evaluate a specially developed photoplethysmographic (PPG) technique, using green and near-infrared light sources, for simultaneous non-invasive monitoring of skin and muscle perfusion. METHODS: Evaluation was based on assessments of changes in blood perfusion to various provocations, such as post-exercise hyperaemia and hyperaemia following the application of liniment. The deep penetrating feature of PPG was investigated by measurement of optical radiation inside the muscle. Simultaneous measurements using ultrasound Doppler and the new PPG application were performed to elucidate differences between the two methods. Specific problems related to the influence of skin temperature on blood flow were highlightened, as well. RESULTS: Following static and dynamic contractions an immediate increase in muscle perfusion was shown, without increase in skin perfusion. Liniment application to the skin induced a rapid increase in skin perfusion, but not in muscle. Both similarities and differences in blood flow measured by Ultrasound Doppler and PPG were demonstrated. The radiant power measured inside the muscle, by use of an optical fibre, showed that the near-infrared light penetrates down to the vascular depth inside the muscle. CONCLUSIONS: The results of this study indicate the potentiality of the method for non-invasive measurement of local muscle perfusion, although some considerations still have to be accounted for, such as influence of temperature on blood perfusion.

Adult↗

PubMedDate not supplied

Lack of efficacy of topical capsaicin in serotonin-induced itch.

Capsaicin (CAP) has been demonstrated to be an effective topical inhibitor of cutaneous vasodilatation, pain and pruritus induced by a variety of chemical and physical stimuli. In a previous study, we showed a significantly inhibitory effect of topical CAP treatment on histamine-induced itch and cutaneous vascular reactions in healthy subjects compared to atopic eczema patients. As serotonin is proposed to play a pathophysiological role in some types of pruritus (e.g. uremic and hepatic pruritus) and CAP has been described to be successful in hemodialysis-related pruritus, we investigated the antipruritic effect of topical CAP on serotonin-induced reactions in 10 healthy volunteers in comparison to untreated skin (UPS) and placebo substance (vehicle)-treated skin (VS). On the first day, serotonin iontophoresis was performed in untreated skin. One week later, the treatments started, using either CAP 0.05% liniment or a placebo liniment (vehicle) 3 times daily over a 5-day period. On day 6, serotonin was applied by iontophoresis within the pretreated skin. After another 1-week break, the treatments were performed vice versa on the corresponding infrascapular region. Weal and flare areas were planimetrically evaluated. Itch sensations were documentated by the volunteer on a scale over a 24-min follow-up period. The examination also comprised alloknesis, which stands for induction of perifocal sensations by usually non-itching stimuli. In CAP-treated skin, serotonin-induced wheals were significantly larger post-application compared to non-pretreated skin. Wheals were significantly larger in VS than in UPS. Comparison of serotonin-induced flares in the different study arms did not reveal any significant differences. Itch sensations were not significantly reduced by topical CAP application. The areas of alloknesis were smaller in capsaicin-treated skin compared to VS and UPS, but did not reach significant value. In conclusion, topical CAP application is not effective in serotonin-induced itching in healthy volunteers. Serotonin is most unlikely to play a role in the mechanism of action of CAP.

Administration, Topical↗

PubMed1990

Exogenous lipoid pneumonia due to inhalation of spray lubricant (WD-40 lung).

An elderly woman developed lipoid pneumonia due to the inhalation of mist from a spray lubricant that she was using as a liniment for sore back and neck muscles. This unusual practice is reported to be common among older people bothered by rheumatism. The potential for this complication to occur in other patients leads us to present this case report.

Aerosols↗

PubMed1990

[The riboxin treatment of workers in the electron vacuum tube industry suffering from dermatoses].

Analysis of the treatment results in 85 patients with occupational skin diseases, working at the Kineskop industrial amalgamation in Lvov, evidences that application of a liniment containing riboxin (10%) and dimexide (40-50%) results in a marked clinical effect and normalization of impaired protective-barrier function of the skin. The treatment is carried out on an outpatient basis without cessation of work.

Dermatitis, Occupational↗

PubMedDate not supplied

[Antiulcer activity of dibunol in experimental stomach and duodenal ulcers].

The antiulcer effect of two medicinal forms (oil solution, liniment) of dibunol in rats with different models of the stomach and duodenum ulcers was studied. The therapeutic activity of dibunol was evaluated by determining the index of ulcer formation as well as during the morphological and histochemical studies. The two medicinal forms of dibunol possessed equal antiulcer activity by all studied criteria. One should note a characteristic property of dibunol--its ability to produce pronounced epithelialization of ulceroerosive and ulceronecrotic lesions of the mucosa without rough scarring.

Animals↗

PubMed1983

[Silatranes as stimulators of the development of granulation tissue].

Experiments on rats were made to study the effect of I-(chloromethyl) silatrane and I- (ethoxy) silatrane and that of triethanolamine and chloromethyl triethoxysilane on biochemical parameters of granular-fibrous tissue. The preparations were applied to a wound defect in the form of liniments. Silatranes were found to stimulate proliferation of the cells and to increase their biosynthetic activity, to favour accumulation of collagen and non-collagenic proteins, and reduction of the inflammatory phenomena. The silicon-containing fragment of the silatrane molecule chloromethyl triethoxysilane produced an analogous but less marked action. Triethanolamine containing no silicon was found to be as less active. These data indicate that silicon entering the silatrane grouping is of great importance for the occurrence of its biological activity.

Animals↗

PubMed1983

[Use of silatranes in combination with Vishnevskii'n ointment in wound treatment].

Experiments on rats were performed to study the effect of I-/chlormethyl/silatrane and I-/ethoxy/silatrane as well as that of triethanolamine and /chlormethyl/triethoxysilane on the biochemical characteristics of granular-fibrous tissue. The drugs were applied to the wound in the form of liniments. Silatranes stimulated cell proliferation and raised biosynthetic activity of the cells. They also favoured collagen and non-collagenous protein accumulation and reduced the inflammatory manifestations. The silicon-containing fragment of the silatrane molecule, /chlormethyl/triethoxysilane, produced an analogous but less pronounced action. Triethanolamine containing no silicon appeared to be far less active. These data indicate that the presence of silicon in the silatrane grouping is of great importance for its effective biological function.

Animals↗

PubMed1991

Small-scale preparations in Sweden. Extemporaneous preparations and stock preparations at eleven community pharmacies.

Small-scale preparations, i.e. non-registered drugs that are extemporaneously prepared for each patient or made in larger batches for stock keeping, form a small but important group of drugs, especially for patients with rare diseases or allergies. Small-scale preparations are not included in the otherwise comprehensive statistics compiled by the National Corporation of Swedish Pharmacies and this makes knowledge of the use of these drugs limited. The occurrence of small-scale preparations was studied at eleven community pharmacies over a three-year period (1987-1989) by analysis of the orders from the pharmacies to the four production units of the National Corporation of Swedish Pharmacies in the first quarter of each study year. The number of small-scale preparations dispensed were compared with the total sales of drugs at each pharmacy. The proportion of small-scale preparations in the total drug sales was about 1.5% throughout the study period, but there were fluctuations over time at the individual pharmacies. The most common dosage forms were creams, liniments and mixtures. Dermatological drugs in different dosage forms were the most frequent (almost 50%). This was probably because of the necessity for a great variety of different strengths among these drugs.

Community Pharmacy Services↗

PubMed2001

Laryngeal oedema caused by accidental ingestion of Oil of Wintergreen.

Oil of Wintergreen (methyl salicylate) is a common ingredient for liniments, ointments and essential oils used in self-treatment of musculoskeletal pain. Its pleasant smell also encourages its use to flavour confectionery. The toxic potential of this preparation is not always fully appreciated by the general public and physicians. To appreciate the danger of this oil it can be compared to aspirin tablets (325 mg dose): one teaspoon (5 ml) of Oil of Wintergreen is equivalent to approximately 7000 mg of salicylate or 21.7 adult aspirin tablets. Ingestion of as little as 4 ml in a child can be fatal. Prevention of accidental ingestion of methyl salicylate containing products can be achieved by keeping the products out of reach of children, using child resistant bottles, restricting the size of the openings of the bottles, appropriate labeling on products and reducing the salicylate content. Immediate action should be taken to treat a patient with accidental poisoning and hospitalisation is needed for monitoring and treatment. The danger of this product should be fully appreciated by both physicians and the general public. We present a case of Oil of Wintergreen poisoning with development of laryngeal oedema as a complication, general information and management issues will also be discussed.

Female↗

PubMed2003

Topical capsaicin therapy in humans with hemodialysis-related pruritus.

As shown in previous experimental studies, topical capsaicin has a strong inhibitory effect in histamine-induced itch in healthy persons, but not in patients with atopic eczema. However, in serotonin-induced itch, it was not a sufficient antipruritic. Eleven pruritic patients on hemodialysis (HD) and ten controls were treated with capsaicin 0.05% liniment on the upper back three times daily for 5 days. Study parameters to be investigated were wheal and flare reactions, itch and alloknesis (perifocal itch sensation induced by usually non-itching stimuli) after serotonin and histamine iontophoresis in treated and untreated skin. There were no significant differences in any parameter before and after HD. In both groups, itching was not significantly reduced by capsaicin compared to untreated skin. Itching, however, was significantly lower in capsaicin-pretreated patients when comparing to controls. In summary, topical capsaicin showed some antipruritic potency in HD patients in this experimental model and may therefore be considered as a co-medication in HD patients.

Administration, Topical↗

PubMed2000

Anti-inflammatory, antioxidant and antimicrobial activity of Ophthacare brand, an herbal eye drops.

In the present study, the herbal preparation of Ophthacare brand eye drops was investigated for its anti-inflammatory, antioxidant and antimicrobial activity, using in vivo and in vitro experimental models. Ophthacare brand eye drops exhibited significant anti-inflammatory activity in turpentine liniment-induced ocular inflammation in rabbits. The preparation dose-dependently inhibited ferric chloride-induced lipid peroxidation in vitro and also showed significant antibacterial activity against Escherichia coli and Staphylococcus aureus and antifungal activity against Candida albicans. All these findings suggest that Ophthacare brand eye drops can be used in the treatment of various ophthalmic disorders.

Animals↗

PubMed2003

Presence of formaldehyde in topical corticosteroid preparations available on the Swedish market.

The aim of this study was to investigate the formaldehyde content of topical corticosteroid preparations available on the Swedish market. 73 samples were analysed with the chromotropic acid (CA) method for semi-quantitative formaldehyde determination and 30 samples with a high-performance liquid chromatographic method. These included 24 ointments, 28 creams, 1 lotion, 6 liniments, 2 gels, 9 solutions, 2 mousses and 1 oral paste. Formaldehyde was found in 5 creams and 1 ointment. Sources of formaldehyde in these preparations were discussed. Isopropanol was identified as a probable source of yellow discoloration, leading to false-negative results with the CA method.

Administration, Cutaneous↗

PubMed2001

Pain status of patients with severe haemophilic arthropathy.

Patients with severe haemophilia A growing up before the establishment of prophylactic treatment frequently developed significant haemarthropathies. The goal of the following study was to clarify the role of haemarthropathic pain for haemophilic patients. Furthermore, we aimed to determine to what degree daily activities are influenced by the impairment and which therapeutic modalities are used in pain management. Using a questionnaire we consulted 71 haemophiliacs concerning their complaints and how they were treated in 1999 (average age 43 years; range 21-63 years). The pain in the large joints and spine and the effect of specific treatment was estimated by a visual analogue scale. On average, there were four joints with major pain and 0.5 with minor pain. The most frequent sources of pain were the ankle joints (45%), followed by the knee (39%), spine (14%) and elbow (7%). Fifty percent of all patients complained of pain throughout the day if no treatment was applied. In 29% of patients, pain persisted after application of factor VIII (FVIII), while 12% claimed that pain still remained after use of FVIII and pain killers. Restriction in activities of daily life was reported by 89% of the group and 85% reported on an impact of pain on their mood. Patients primarily used FVIII to decrease pain, followed in frequency by use of anti-inflammatory drugs, orthopaedic footwear, liniments and bandages. Haemophilic patients with haemarthropathy are chronic pain patients. By means of the questionnaire, it is possible to reveal the 'silent' sufferers. Sufficient pain treatment is essential so as to increase the patient's quality of life and avoid inadvertent abnormal postures possibly resulting in increased loading of joints and subsequent bleeding episodes.

Activities of Daily Living↗

PubMed2003

Plasma salicylate from methyl salicylate cream compared to oil of wintergreen.

BACKGROUND: Poison Control Centers follow the acetylsalicylic acid (ASA) treatment guideline to manage unintentional ingestions of topical methyl salicylate liniments. For example, one teaspoon of 30% methyl salicylate cream such as Ben Gay provides an "ASA equivalent dose" of 180 mg/kg for a 10 kg child. The ASA treatment guideline advises emesis with syrup of Ipecac and 24 h home followup for this dose. Both the ASA conversion factor to yield the ASA equivalent dose and the treatment guideline assume 100% bioavailability of the salicylate. The nature of this topical dosage product led the investigators to expect less than complete absorption of methyl salicylate. OBJECTIVE: To compare plasma concentrations of salicylate from ingested methyl salicylate cream with plasma concentrations of salicylate from ingested oil of wintergreen. METHODS: Four adult volunteers consented to an open label, four-way crossover design, with randomization to the following treatments: 1 mL Oil of Wintergreen, U.S.P., 6.7 g of Ben Gay 15% and 20 g of Ben Gay 15% and also to hold 5 g of Ben Gay 15% cream in the buccal cavity for 1 minute and then expectorate. Plasma was collected for salicylate determination, and the results analyzed with a noncompartmental pharmacokinetic model. RESULTS: No plasma salicylate was detected after buccal treatment phase. Relative bioavailability for the low-dose treatment was 0.5 compared to oil of wintergreen. CONCLUSION: Plasma salicylate concentrations from methyl salicylate cream are not equal to those achieved after ingestion of oil of wintergreen. Dosage formulation must be considered when predicting toxicity.

Absorption↗

PubMed1996

Inflammatory linear verrucose epidermal nevus coexisting with lichen amyloidosus.

The clinical and histopathological findings in a case of inflammatory linear verrucose epidermal nevus coexisting with lichen amyloidosus are presented. A 33-year-old woman had had linear verrucose lesions which were histopathologically compatible with ILVEN, and with which no amyloid deposits were associated, on her left lower leg for 30 years. She had noticed keratotic papules around the verrucose lesions on the left leg for the last 3 years. Histopathology of these papules revealed amyloid deposits in the upper dermis under the hyperkeratotic and acanthotic epidermis. Topical application of DMSO liniment with dexamethasone successfully treated the ILVEN. This remission of both lesions and itching also alleviated the keratotic papules on the left leg.

Administration, Topical↗

PubMed1992

Influence of caffeine, sweating and local hyperemisation on "Marstock" thermotesting.

Marstock thermotesting evaluates A-delta- and C-fiber functions. To optimize this method, intraindividual variations of vasodilatation, blood flow and sympathetic activity probably biasing thermotest results were imitated by exogenous stimuli which strongly exaggerated these intraindividual variations. In 20 healthy subjects, warm (WT), cold (CT), and heat-pain (HT) thresholds were determined in the morning at the thenar (th), the volar wrist (wr), and behind the malleolus internus (mi). Thresholds at the thenar and the volar wrist were compared with those during severe sweating induced by Minor's test, and to those measured when sympathetic activity had been increased by the ingestion of a high dose of caffeine (0.5 g). Furthermore, the intraindividual variation of local capillary blood flow and vasodilatation was imitated by a rubefacient liniment (Forapin) applied to the three sites. After a local hyperemisation had been induced thermal thresholds were measured and compared to those measured without any stimulation. Local hyperemia did not influence thermal thresholds significantly. Sweating only lowered cold thresholds at the thenar significantly and only slightly raised warm and heat-pain thresholds at the thenar. Caffeine significantly lowered warm thresholds and raised heat-pain thresholds at the thenar. To conclude, the tested exogenous interferences do not disturb thermal perception markedly, especially when testing is not performed at the thenar, but at the volar wrist and when the testing-procedure and parameters are standardised.

Adult↗

PubMed1991

[Hospital spread of scabies from an immunocompromised patient with Norwegian scabies].

Scabies was first found in a 71-year-old female who had been diagnosed as having leukemic transformation of primary myelofibrosis and had undergone treatment for the disease. She was admitted to the hospital in December 1986, because of abdominal fullness and a generalized subcutaneous tumor that proved to be myeloblastoma. For treatment of the underlying disease, the regimen of the combination of vindesine, cyclophosphamide, 6-mercaptopurine, and prednisolone was selected. She developed cardiac failure and fell into a coma one month after starting the anticancer therapy. She was put on artificial respiration and on additional steroid therapy as well. Dexamethasone was administrated at 16 mg/day. Since the myeloblastomas found on admission regressed, the steroid therapy was continued. She was in coma for a few days before her skin lesions turned red and formed a grayish crust in the lower abdominal region. Several days later, the doctor responsible for the treatment of this patient developed pruritus and exanthema on both arms, and soon many nurses in the same hospital-ward developed similar symptoms. At approximately the same time, the patient with myelofibrosis was diagnosed as having Norwegian scabies: the crusted skin lesions revealing many Sarcoptes scabiei mites. Two doctors (2/18), 17 nurses (17/19) and 3 other patients (3/51) were found to have contracted scabies, and we recognized the hospital spread of the infection. The first patient was isolated in a private room, and we avoided direct contact with her. The persons with scabies were treated with crotamiton liniment. The first scabies patient died of cardiac failure 1 month after falling into a coma.(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗