Check with your doctor as soon as possible if any of the following side effects occur.
Cladribine ms side effects.
Burning or stinging of the skin confusion painful cold sores or blisters on the lips nose eyes or genitals seizures stiff neck vomiting.
Low white blood cell counts.
The most common side effect is a drop in the number of your white blood cells that fight infections lymphopenia.
Symptoms of an allergic reaction may include.
Swelling or itching of the face lips tongue or throat.
Rash itching swelling.
Painful or difficult urination accompanied by fever or chills.
Lower back or side pain accompanied by fever or chills.
Cough or hoarseness accompanied by fever or chills.
However get medical help right away if you notice any symptoms of a serious allergic reaction including.
Common side effects may include.
This is seen in about one in four to one in three people.
Cladribine doesn t weaken your immune system as much as some other ms drugs.