Ofloxacin tablets for infection (Tarivid)

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Ofloxacin is given to treat a bacterial infection. It is important to complete the full course of treatment. This is to prevent the infection from coming back.

The most common side-effects are feeling sick, diarrhoea, feeling dizzy and headache.

Ofloxacin may impair your alertness, so make sure your reactions are normal before you drive or use tools or machines.

Type of medicineA quinolone antibiotic
Used forInfection
Also calledTarivid®
Available asTablets

Ofloxacin is given to treat a bacterial infection. It is useful for treating infections such as chest infections, urine infections, skin and soft tissue infections, and some sexually transmitted infections. Some infections can be treated with a single tablet, others require a course of treatment lasting a week or so.

Ofloxacin works by killing the bacteria which are the cause of the infection.

Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking ofloxacin it is important that your doctor knows:

  • If you are pregnant, trying for a baby, or breast-feeding.
  • If you are under 18 years of age.
  • If you have ever experienced a problem with your tendons, called tendonitis.
  • If you have any problems with the way your kidneys work, or if you have a problem with your liver.
  • If you have epilepsy or any other condition that causes fits.
  • If you have a heart condition, or if you have been told you have an unusual heartbeat.
  • If you have a condition causing tired and weak muscles, called myasthenia gravis.
  • If you know you have glucose 6-phosphate dehydrogenase (G6PD) deficiency. This is a genetic disorder which causes problems after eating foods such as fava beans.
  • If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • If you have ever had an allergic reaction to a medicine. It is particularly important that you tell your doctor if you have had a problem after taking another quinolone antibiotic (these are called norfloxacin, levofloxacin, ciprofloxacin, moxifloxacin, and nalidixic acid).
  • Before you start taking the tablets, read the manufacturer's printed information leaflet from inside the pack. The manufacturer's leaflet will give you more information about ofloxacin and a full list of the side-effects which you may experience from taking it.
  • Take ofloxacin exactly as your doctor tells you to. The usual dose is one 200 mg or 400 mg tablet taken daily. For some types of infection, however, you may be asked to take two doses a day. Read the label carefully to make sure you know what dose is right for you.
  • If you are taking one dose a day, it is preferable to take it in the morning. If you are taking more than one dose a day, try to space out your doses - so ideally, take a tablet every 12 hours.
  • You can take ofloxacin before or after meals. Many people find it helps to swallow the tablets with a drink of water.
  • Do not take indigestion remedies (antacids) or medicines containing iron or zinc (such as multivitamin tablets) during the two hours before you take ofloxacin, or during the two hours after you have taken a dose. This is because these medicines interfere with the way ofloxacin is absorbed by your body, and stop it from working fully.
  • If you forget to take a dose, take it as soon as you remember. If, when you remember, your next dose is due, then take the dose which is due but leave out the forgotten one. Do not take two tablets together to make up for a missed dose.
  • Even if you feel your infection has cleared up, keep taking the antibiotic until the course is finished (unless you are told to stop by your doctor). This is to prevent the infection from coming back. A course of treatment usually lasts for about a week, although you may need to take the tablets for longer than this for some types of infection. If you still feel unwell after finishing the course of tablets, go back to see your doctor.
  • Remember to keep any routine appointments with your doctor. This is so your progress can be monitored.
  • Ofloxacin may cause your skin to become more sensitive to sunlight than normal. Protect your skin by using a sunscreen, particularly if you are exposed to strong sunlight for a prolonged period of time. Do not use sunbeds.
  • If you buy any medicines, check with a pharmacist that they are safe to take with this antibiotic. In particular, do not take painkillers called non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, while you are taking ofloxacin.
  • Some people develop thrush (redness and itching in the mouth or vagina) after taking a course of antibiotics. If you think you have thrush, speak with your doctor or pharmacist for advice.
  • This antibiotic may stop the oral typhoid vaccine from working. If you are having any vaccinations, make sure the person treating you knows that you are taking this medicine.
  • Ofloxacin may make you feel light-headed and impair your ability to concentrate. Make sure your reactions are normal before you drive or use tools or machines.
  • If you have diabetes, you may need to check your blood glucose levels more regularly, as ofloxacin can affect the levels of sugar in your blood.

Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with ofloxacin. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.

Ofloxacin side-effects - these affect less than in 1 in 100 people
What can I do if I experience this?
Feeling or being sick, abdominal painStick to simple foods - avoid rich or spicy meals
DiarrhoeaDrink plenty of water to replace lost fluids. If the diarrhoea is severe or continues to be a problem, speak with your pharmacist or doctor for advice
HeadacheAsk your pharmacist to recommend a suitable painkiller
Feeling dizzyDo not drive or use tools or machines until you feel well again
Problems sleeping, eye irritation, cough, and skin itchinessIf any of these become troublesome, speak with your doctor

Important: there are also a number of rarer but more serious side-effects which have been associated with ofloxacin. Speak with your doctor as soon as possible if you experience the following:

  • An allergic-type reaction, such as swelling around your face or mouth, a skin rash, or any difficulty breathing.
  • Pain or swelling in your joints.

If you experience any other symptoms which you think may be due to the tablets, speak with your doctor or pharmacist for advice.

  • Keep all medicines out of the reach and sight of children.
  • Store in a cool, dry place, away from direct heat and light.

Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital. Take the container with you, even if it is empty.

This medicine is for you. Never give it to other people even if their condition appears to be the same as yours.

If you are having an operation or any dental treatment, tell the person carrying out the treatment which medicines you are taking.

Do not keep out-of-date or unwanted medicines. Take them to your local pharmacy which will dispose of them for you.

If you have any questions about this medicine, ask your pharmacist.

Further reading & references

Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. EMIS has used all reasonable care in compiling the information but make no warranty as to its accuracy. Consult a doctor or other health care professional for diagnosis and treatment of medical conditions. For details see our conditions.

Original Author:
Helen Allen
Current Version:
Peer Reviewer:
Dr John Cox
Document ID:
1431 (v24)
Last Checked:
Next Review:
The Information Standard - certified member

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