Solifenacin - oral

Patient Medicine Information
Why do I need this medicine?
Solifenacin is used to treat symptoms of overactive bladder. It helps control the urge to urinate.
How do I take this medicine?
Take Solifenacin exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

You may take this medicine with or without food. Try to take it at the same time each day.

If you are taking the tablet, swallow it whole with a glass of water. Do not divide, chew or crush the tablet.

Solifenacin must be taken regularly for it to be effective. Continue taking this medicine even when you feel better/well. Do not stop taking it unless instructed by the doctor.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

If you often forget to take your medicine, let your doctor and pharmacist know.
When should I not use this medicine?
Alert your doctor if you have the following conditions:
  • difficulty in passing urine
  • accumulation of stomach contents without emptying due to obstruction or stomach ulcer
  • increased pressure in the eyes
as Solifenacin may not be suitable for you.
What should I take note of while taking this medicine?
Inform your doctor if you have the following conditions:
  • bladder obstruction e.g. enlarged prostate
  • stomach problems e.g. severe constipation, inflammation of the bowels
  • heart disease e.g.irregular heartbeat
  • liver disease
  • kidney disease
Let your doctor know if you are pregnant or breastfeeding.

As Solifenacin may reduce sweating, you may develop heat stroke in hot weather, or when participating in activities such as exercising, taking hot baths or using saunas. Discuss with your doctor if you frequently need to participate in such activities or you are required to work in a hot environment.

Be sure to check with your doctor or pharmacist before giving Solifenacin to an elderly person. Elderly people may be more sensitive to the side effects.
What side effects could I experience?
Solifenacin may cause drowsiness, dizziness or blurred vision. If affected, do not drive or take part in any activity in which you need to be alert or need to see clearly.

Other side effects may include any of the following: headache, dry mouth, constipation, nausea, indigestion, and stomach pain.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
  • difficulty in breathing 
  • swelling of the mouth, face, lips, tongue or throat
  • confusion and hallucination (seeing or hearing things that are non-existent)
  • signs and symptoms of urinary tract infection e.g. burning sensation when urinating, cloudy or strange-smelling urine 
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines for epilepsy (fits) e.g. carbamazepine, phenytoin
  • medicines to treat fungal infections e.g. ketoconazole, itraconazole
  • medicines to treat HIV infections e.g. ritonavir, nelfinavir
  • medicines for nausea and vomiting e.g. metoclopramide, cisapride, hyoscine
  • medicines for heart disease e.g. verapamil, diltiazem, atropine
  • medicines for tuberculosis or TB e.g. rifampicin
This list does not include all medicines that may interact with Solifenacin.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.

Avoid excessive consumption (more than 1 litre a day) of grapefruit juice.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on solifenacin - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 MIMS. All rights reserved. Powered by
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