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. Plaquenil 300 mg Plaquenil drug action 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. When you notice yellow sweat stains on a shirt, most often in the armpit area, you might presume it is due to yellow sweat. But this is rarely the case. Yellow sweat stains usually occur due to a chemical reaction between colorless sweat and chemicals from your deodorant or antiperspirant -- especially aluminum. 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. 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-Induced Retinal Toxicity - American., What Are the Causes of Yellow Perspiration? Can sulfasalazine and plaquenil be taken together Read on to discover the science behind pit stains and the best ways to prevent and remove yellow underarm stains from clothing. Together your antiperspirant, sweat and cotton undershirt are a deadly yellowing combination that make those tough to get out. How Armpit Stains Form. What causes yellow armpit stains? Newsflash It’s not just sweat. The Science Behind Pit Stains & How to Stop Them - Thompson Tee. The Mystery Of The Yellow Pillow What Causes it?. Hydroxychloroquine Indications, Side Effects, Warnings.. Learn about the wide-ranging effects of hydroxychloroquine Plaquenil® in the treatment of lupus dosing, benefits, side effects and rare complications of this commonly prescribed medication. Drug spotlight on hydroxychloroquine Lupus Foundation of America 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. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more.