I have been getting these horrible rashes and they are not related to sun exposure. I am starting to wonder if they are related to Plaquenil. Plaquenil halps discoid lupus Safe to take plaquenil with antacids Is hydroxychloroquine a steroid Hydroxychloroquine Plaquenil is one of the safest drugs in medicine. Serious side effects are rare & routine blood tests are not required. Allergy new skin rashes is unusual but it means ruling our future use. Commoner, usually mild, side effects are indigestion, ‘gurgly tummy’, diarrhoea & headache. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Pill a day of the brand name Plaquenil. Three months later in early May the back of my head began itching. It is STILL causing me grief. Then 3 weeks after the back of my scalp began itching, my upper left shoulder broke out in a bumpy, itchy rash. I've always been one to go for the natural route and am starting to feel like I should just stop taking everything and see what happens - so frustrating. My doctor now wants me to start on Chloroquine instead of plaquenil. Hydroxychloroquine hypersensitivity rash Hydroxychloroquine Sulfate Hypersensitivity Reports., Hydroxychloroquine Plaquenil Chloroquine primaquine side effects Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Hydroxychloroquine - Wikipedia. Terrible Itching on Plaquenil---PLEASE HELP.. Photosensitivity Reaction With Certain Medications. Jul 24, 2018 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. The risk may also be higher with some doses of hydroxychloroquine, if you use hydroxychloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Call your doctor right away if you have any eyesight changes like blurred or foggy eyesight, trouble focusing or reading, or trouble seeing in dim light. 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.