Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. What companies makes hydroxychloroquine Chloroquine cathepsin Evaluation while on hydroxychloroquine Plaquenil precio farmacia guadalajara Redness typically occurs within 24 hours of the exposure to sun in the exposed areas of the body such as the forehead, nose, hands, arms, and lips. In severe cases, sun protected areas of skin may be also be involved. The range of skin damage may vary from mild redness to swelling to blister formation in more severe. Recommendations on Screening for Chloroquine and Hydroxychloroquine Retinopathy Retinal toxicity from chloroquine CQ and its analogue, hydroxychloroquine HCQ, has been recognized for many years. Chloroquine toxicity remains a problem in many parts of the world, but is seen less frequently in the United States where the drug largely has been replaced by HCQ. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Hydroxychloroquine and sun exposure Photosensitivity Reactions - Skin Disorders - Merck Manuals., Recommendations on Screening for Chloroquine and. Does plaquenil cause skin peeling on handsHow to take hydroxychloroquineT off plaquenil I've read on medical sites that Hydroxychloroquine can react with the sun causing allergic reactions and I wonder if this is the cause of the rash on this occasion or whether it's just my normal photosensitivity. I've read some posts on the forum here about people reacting to Hydroxychloroquine but it seems to be very severe as you say twitchytoes. Hydroxychloroquine and photosensitivity - LUPUS UK. Plaquenil Oral Uses, Side Effects, Interactions.. UV exposure What you need to know Lupus Foundation of America. Hydroxychloroquine can aggravate pre-existing psoriasis. Does hydroxychloroquine affect fertility or pregnancy? Hydroxychloroquine must be avoided during pregnancy as it may harm the unborn child. If you are planning a family, or wish to breast feed, you should seek advice from your doctor. A very bad and sometimes deadly reaction has happened with hydroxychloroquine. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. Talk with the doctor. Keep away from children. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria.