It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Hydroxychloroquine and sun sensitivity Can hydroxychloroquine get you high Plaquenil false positive methadone Photosensitivity reaction is found among people who take Plaquenil, especially for people who are female, 50-59 old, have been taking the drug for 6 - 12 months, also take medication Humira, and have Pain Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL. This medication is also used. A very serious allergic reaction to this drug is rare. film-coated, tablet imprinted with "PLAQUENIL". ‹ Back to Gallery. hydroxychloroquine 200 mg tablet. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Medication reaction to plaquenil Plaquenil Side Effects Common, Severe, Long Term -, HYDROXYCHLOROQUINE - ORAL Plaquenil side effects. Chloroquine cholera Before using Plaquenil, tell your doctor if you are allergic to any drugs, or if you have psoriasis, porphyria, liver disease, alcoholism, or glucose-6-phosphate dehydrogenase G-6-PD deficiency. Take Plaquenil for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. Plaquenil Uses, Dosage & Side Effects -. Drugs & Medications -. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. I had been taking plaquenil since April for my lupus and sjogrens. It was working really well and just recently my rheumy told that I was in remission. I felt great. Then I had an allergic reaction to the plaquenil - a rash all over my body, neck, arms and legs. I stopped taking it 1 week ago. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.