Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Hydroxychloroquine sulphate price Is plaquenil a disease modifying Hydroxychloroquine cost uk Plaquenil drug monitoring Jun 08, 2017 The cutaneous manifestations of lupus can include malar rash, discoid rash, and photosensitivity. some may require systemic therapy with an antimalarial agent, such as hydroxychloroquine. 10. 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. 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 Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxychloroquine photosensitivity rash Plaqunil rash -, Hydroxychloroquine and photosensitivity - LUPUS UK Does plaquenil cause weight gainMechanism of action of plaquenilChloroquine resistance vivaxPlaquenil maculopathy fa Drug-induced photosensitivity refers to the development of cutaneous disease as a result of the combined effects of a chemical and light. Exposure to either the chemical or the light alone is not sufficient to induce the disease; however, when photoactivation of the chemical occurs, one or more cutaneous manifestations may arise. Drug-Induced Photosensitivity Background, Pathophysiology.. Will you have Photosensitivity reaction with Plaquenil.. Photosensitivity Reaction With Certain Medications. It is known that antimalarial drugs that are helpful in LE are contraindicated in psoriasis 1. This old concept is supported by the recent study of Wolf et al. 11, who demonstrated that hydroxychloroquine induces hyperproliferation and irregular keratinization in cultured skin of psoriatic patients. View detailed reports from patients taking Hydroxychloroquine Sulfate who experienced photosensitivity reaction. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration.