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. Chloroquine definition Ophthalmologic complication of hydroxychloroquine Effect of chloroquine on liver enzymes Blood clots during period with plaquenil Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Skin Hyperpigmentation with Hydroxychloroquine Hydroxychloroquine Plaquenil is a common trade name is an anti-inflammatory oral medication that is commonly used to treat many autoimmune diseases. In the hair clinic, we use it for diseases such as lichen planopilaris, frontal fibrosing alopecia, pseudopelade and discoid lupus. 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. 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 Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Skin Pigmentation with Hydroxychloroquine Plaquenil. Plaquenil and lupus rash Get information on Hydroxychloroquine tablets including uses, dosage details, medication side-effects and drug interaction facts from Cleveland Clinic's health library. Coronavirus Check here for latest visiting hours + service changes. Hydroxychloroquine tablets - Cleveland Clinic. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. What Are the Causes of Yellow Perspiration?. Aug 14, 2013 Hydroxychloroquine is an antimalarial medication that can cause hyperpigmentation of nails, mucosa, and skin 1–5. Retrospective studies cite the incidence of drug-related hyperpigmentation from hydroxychloroquine to be as high as 33% of individuals. Elder abuse is a cause of significant morbidity and mortality in older individuals 7–9. 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.