Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take hydroxychloroquine with all of your drugs and health problems. Trametinib and hydroxychloroquine Hydroxychloroquine sulfate wiki Plaquenil dosage based on weight Hydroxychloroquine Plaquenil® is a 4-amino-quinoline antimalarial medication that is widely used to treat systemic lupus erythematosus SLE, rheumatoid arthritis, and related inflammatory and dermatological conditions. It is a hydroxylated version of chloroquine, with a similar mechanism of action. However, following an identical dose of. Photosensitivity is a skin reaction i.e. rash that occurs after exposure to ultraviolet UV radiation from the sun or an artificial light source. Photosensitivity can be caused by various agents, including drugs, perfume, cosmetics, and even the sunscreen that is meant to protect your skin. If you are allergic to hydroxychloroquine; any part of hydroxychloroquine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had. If you have had any eye changes or changes in eyesight due to hydroxychloroquine or drugs like this one. If you have psoriasis. If you have porphyria. For all uses of hydroxychloroquine: WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Rashes due to hydroxychloroquine Plaqunil rash -, Photosensitivity Reaction With Certain Medications Plaquenil alopecia areataPlaquenil side effects depressionPlaquenil ophthalmology guidelinesHydroxychloroquine used for diabetesPlaquenil eye symptoms Hydroxychloroquine was the most likely culprit for her erythema multiforme. This case was important because it demonstrated a rare cutaneous side effect of hydroxychloroquine. Perez-Ezquerra et al reported the first case of hydroxychloroquine-induced erythema multiforme in 2006 22. Hydroxychloroquine-induced erythema multiforme. Hydroxychloroquine Indications, Side Effects, Warnings.. Rash from Methotrexate or Hydroxychloroquine? - NRAS. View detailed reports from patients taking Hydroxychloroquine Sulfate who experienced rash. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. The malaria medication hydroxychloroquine Plaquenil may ease the symptoms of some types of sun allergies. Therapy. If you have a severe sun allergy, your doctor might suggest gradually getting your skin used to sunlight each spring. Hydroxychloroquine-induced pigmentation lesions usually begin after a few months or years of treatment. When we compared our patients with the controls, we found no significant association with the duration of HCQ treatment or with the cumulative dose of HCQ.