Hydroxychloroquine
Also sold as: Plaquenil, HCQS
Prescription neededArthritis and immune medicines
Comes as:Tablet
Also sold as: Plaquenil, HCQS
Usual adult dose for arthritis or lupus: 200 to 400 mg a day with food, not more than 5 mg per kg body weight a day. Regular eye checks are needed with long-term use.
Your doctor may give you a different dose. Children's doses depend on weight.
Stop taking it and see a doctor straight away if you notice:
Medicines that can react with this one.
Both prolong the QT interval; together they raise the risk of dangerous heart rhythms.
Both can prolong the QT interval; use together with caution.
Hydroxychloroquine can raise digoxin levels; levels may need checking.