It’s embarrassing to flash yellow sweat stains when raising your hand during a meeting or waving to a friend. Pit stains are an absolute pain to clean, or even impossible to get out altogether. Read on to discover the science behind pit stains and the best ways to prevent and remove yellow underarm stains from clothing. Aluminum is the active ingredient in most over-the-counter and prescription antiperspirants, while your sweat consists of water, ammonia, urea, salts and sugar. Hydroxychloroquine plaquenil 200 mg tablet Chloroquine and primaquine Que es el plaquenil Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Best Deodorants to Avoid Yellow Stains. Contrary to that lingering smell that may follow you throughout the day, sweat is actually odorless. The foul smell we know all too well is actually the result of bacteria living on the skin. Deodorants and antiperspirants work to combat this bacteria in different ways. As the composition of your sweat mixes with the ingredients of your antiperspirant, the result is a pesky yellow pit stain that’s tough to get out. Sweat, on its own, is actually odorless and colorless. Hydroxychloroquine cause yellow sweat stains Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Hydroxychloroquine Side Effects Common, Severe, Long Term - Does plaquenil reduce spleen inflammation Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. The Science Behind Pit Stains & How to Stop Them.. Why would sweat stain bed sheets yellow? Naked Science Forum. Sweat Stains. If you see sweat stains on your clothes -- most often a yellowish color -- you might naturally believe that your perspiration itself is discolored yellow. However, sweat leaves your body as a clear liquid, becoming yellow on contact with clothing through the action of bacteria. Urea is what is responsible for yellow sweat stains. 1 The yellowing is gradual and you may not notice it for weeks or even months. Those of you who perspire heavily or suffer from night sweats then you will notice the yellowing much quicker. Systemic and topical antibiotics are the mainstay of treatment. Although it does not constitute a major health issue, it causes psychological stress and social embarrassment. A 20-year-old female presented to us with yellow-colored sweat and discoloration of clothes since 1 month. Routine laboratory investigations were normal.