Any other topical acne preparation or preparation containing a peeling agent (eg, benzoyl peroxide, resorcinol, sulfur, or tretinoin [vitamin A acid]) Keep this medicine away from the eyes and other mucous membranes, such as the mouth and inside of the nose. If you should accidentally get some in your eyes or on other mucous membranes, immediately flush them with water for 15 minutes. For corns and calluses—Repeat one or two times a day as needed for up to 14 days, or as directed by your doctor, until the corn or callus is removed. At the end of treatment, if the elastic film is difficult to remove, it may be allowed to remain on the skin until it sheds. Protect areas surrounding the affected area by applying petroleum jelly around the periphery of the area to be treated.

If you are going to have an MRI test, tell testing personnel if you are using the patch. Some patches may contain metals that can cause serious burns during an MRI. Ask your doctor whether you will need to remove your patch before the test and apply a new patch afterward, and how to do so properly.For adults, children and the elderly: Bazuka Extra Strength Gel should be applied once daily. The gel should be applied once every night. Treatment can take several weeks for resistant lesions to disappear and it is necessary to persevere with the treatment. Do not use an OTC acne product again if you have developed a serious allergic reaction from it. Side Effects of Sal-Acid Plaster Before applying this medicine, wet the hair and scalp with lukewarm water. Apply enough medicine to work up a lather and rub well into the scalp for 2 or 3 minutes, then rinse. Apply the medicine again and rinse thoroughly. It is very important that you use preparations strictly as directed on the label. Do not use more of it, do not use it more often, and do not use it for a longer time than recommended. Failing to follow instructions may lead to increased absorption through the skin and salicylic acid poisoning.

Do not use this medicine on warts with hair growing from them or on warts on the face, in or on the genital (sex) organs, or inside the nose or mouth. Also do not use on moles or birthmarks. To do so may cause severe irritation.Do not use this medicine on irritated skin or on any area that is infected or reddened. Also, do not use this medicine if you are a diabetic or if you have poor blood circulation. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. This medicine is for use only on the skin. Do not get any of it in your eyes, nose, or mouth . Rinse it off with water right away if it does get on these areas. To use any of the above preparations on the same affected area as salicylic acid may cause severe irritation of the skin.

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. Use this medicine only as directed by your doctor. Do not use more of it, do not use it more often, and do not use it for a longer time than recommended on the label, unless otherwise directed by your doctor. To do so may increase the chance of absorption through the skin and the chance of salicylic acid poisoning.Work up a lather with the soap, using hot water, and scrub the entire affected area with a washcloth or facial sponge or mitt. Whilst many salicylic acid preparations are available from a pharmacy, some preparations are only available on a doctor's prescription. These include preparations containing a combination of salicylic acid and topical corticosteroid, e.g. Diprosalic®. How to use salicylic acid preparations Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Carefully apply one or two drops of the gel to the lesion and allow to dry over its surface. Take care to avoid surrounding normal skin. No adhesive plaster is necessary. Young children may be at increased risk of unwanted effects because of increased absorption of salicylic acid through the skin. Also, young children may be more likely to get skin irritation from salicylic acid. Salicylic acid should not be applied to large areas of the body, used for long periods of time, or used under occlusive dressing (air-tight covering, such as kitchen plastic wrap) in children. Use of salicylic acid topical in children younger than 2 years of age is not recommended. Geriatric Use this medication regularly to get the most benefit from it. To help you remember, use it at the same time each day.If you are to use this soap in a foot bath, work up rich suds in hot water and soak the feet for 10 to 15 minutes. Then pat dry without rinsing. First, soak the corn, callus, or wart in warm water for about 5 minutes to soften the treatment area. Dry thoroughly. Your doctor may direct you to use a pumice stone, callus file, or emery board to carefully remove the top dead layers of skin after soaking and before applying the medication. This dead skin removal is only to help the medication work better. Do not try to rub the wart or callus off. Apply plaster at bedtime, leave in place for at least 8 hours, remove plaster in the morning, and repeat every 24 hours as needed. The active ingredient, salicylic acid, is a well-established pharmacopoeial substance, which has been used extensively in dermatological therapy for its keratolytic properties.