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Information on Cyclizine
Cyclizine is an antihistamine medicine that treats sickness, including travel sickness, vertigo and vomiting. This medicine should be taken only in the way prescribed. A person should be cautious when taking cyclyzine since it can cause the feeling of sleepiness. Anyone taking cyclizine should avoid driving after taking it and postpone the work activities that include operating machines or tools. Only after the person makes sure the drowsiness is over, he or she can drive or operate machines. The medicine should not be taken with alcohol because of its sleep-inducing effect. Precautions have to be taken regarding the patients who have some heart, liver or kidney problems, suffer from the increased pressure in the eyes-glaucoma, have difficulties in passing the urine and with prostate. These patients are not given cyclizine. Pregnant woman are recommended not to use it, even though the effects of cyclizine on the fetus, or breast milk have not been clearly evidenced.

Side Effects

Along with its helpful effects, cyclizine have undesirable side effects. One in ten people reports having side effects. Some side effects will fade away when the body adjusts to the medicine, but if the side effects are persistent and cause troubles, the patient has to seek a doctor's help. Commonly, cyclizine makes the person sleepy and sometimes restless and agitated. The vision may blur or double and the person may feel sedated. Dryness of the mouth or throat is also reported as negative effect of cyclizine. Cyclizine may provoke some heart-related problems. It lowers the blood pressure and increases the heart rate or causes irregular heart beating. Cyclizine may cause constipation so it is advisable to drink plenty of water or eat food rich in fibers. The patient may experience painful and difficult urination or retain the urine in the bladder. Headaches or skin rashes are also associated with the medicine. Rare cases of hepatitis have been reported, but this mainly affects children. To note, children under 6 are not given this medicine.


If the medicine is used to treat travel sickness, take the medicine an hour or two before traveling and then after 4 or 6 hours if the sickness still goes on. Do not take more than 200 mg per day. A person should never take more than one dose at the time. Missed dose can be taken whenever a person remembers to take it, and continue taking in the manner prescribed from that time. Do not take two doses at the same time. In the cases of overdose, the condition aggravates, so the patient hallucinates has severe allergies or seizures and should be immediately taken to the emergency room.

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