Aralen Phosphate Oral

In Depth

Generic Name: CHLOROQUINE - ORAL
Pronounced: (KLOR-oh-kwin)

Aralen Phosphate Oral Side Effects

Blurred vision, stomach pain, nausea, vomiting, abdominal cramps, mild headache, and diarrhea may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

mouth sores
ringing in the ears
darkening of skin
darkening of the tissue inside of the mouth
sun sensitivity

Tell your doctor immediately if any of these rare but very serious side effects occur:

seizures
signs of serious infection (e.g., high fever, severe chills, persistent sore throat)
signs of decreased red blood cells (e.g., tiredness, pale lips/nails/skin, fast heartbeat/breathing with normal activity level)
easy bruising/bleeding
mental/mood changes (e.g., confusion, personality changes, unusual thoughts/behavior, depression)

Seek immediate medical attention if any of these rare but very serious side effects occur:

severe dizziness
fainting
fast/slow/irregular heartbeat

Some side effects only occur rarely with daily, long-term use (over weeks to years) and may include:

signs of a poorly pumping heart (e.g., tiredness, shortness of breath, swelling legs/ankles)
muscle weakness
loss of muscle size
hair loss
bleaching of hair color
more severe vision changes (e.g., sparkles/blank spots in vision, difficulty reading, complete vision loss)
hearing loss

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: