What may interact with Altreno?

-medicines or other preparations that may dry your skin such as benzoyl peroxide or salicylic acid
-medicines that increase your sensitivity to sunlight such as tetracycline or sulfa drugs

What should I tell my health care provider before I take Altreno?

They need to know if you have any of these conditions:

-eczema or other skin problems
-excessive sensitivity to the sun
-an unusual or allergic reaction to fish, tretinoin, vitamin A, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant

What should I watch for while using Altreno?

Your acne may get worse initially and should then start to improve.

Do not use the following products on the same areas that you are treating with this medicine, unless otherwise directed by your doctor or health care professional: other topical agents with a strong skin drying effects such as products with a high alcohol content, astringents, spices, the peel of lime or other citrus, medicated soaps or shampoos, permanent wave solutions, electrolysis, hair removers or waxes, or any other preparations or processes that might dry or irritate your skin.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths. Avoid cold weather and wind as much as possible, and use clothing to protect you from the weather. Skin treated with this medicine may dry out or get wind burned more easily.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Do not freeze.