• Acid reflux treatment
• Only available on prescription
• Report to your doctor immediately if you experience any severe side effects
• 150mg & 300mg strengths available
Zantac 150mg tablets contains a medicine called ranitidine which belongs to a group of medicines called H2 -receptor antagonists by reduce the amount of acid that is in your stomach. Zantac 150mg are round tablets which are white in colour. These tablets come in blister packs or containers. They should be kept dry. These tablets are available on prescription only and should be used before the expiry date. As with all medicines, keep Zantac out of sight and reach of children.
When taking Zantac 150mg tablets, the doctor’s instructions should always be followed exactly. The usual dose is one 150mg tablet in the morning and one 150mg tablet in the evening or 300mg at bedtime, but your doctor will tell you how many tablets to take and how long to take them for. The tablet should be swallowed whole with water. Zantac 150mg are not normally harmful if too many are taken unless it is in great quantity at the same time. If this occurs then go straight to your nearest casualty department taking the medicine pack with you so the doctor knows what tablet has been taken. If you forget to take your dose you may take it as soon as you remember it, but do not take double at the next usual time for taking them.
Each tablet contains the active ingredient ranitidine (as the hydrochloride) 150mg. Zantac also contains microcrystalline cellulose (E460), magnesium stearate (E470b), methylhydroxypropyl cellulose (E464), titanium dioxide (E171) and triacetin (E1518).
If you are allergic to ranitidine or any of the ingredients of Zantac 150mg tablets, speak to your doctor before taking these tablets. If you are taking any medication at all, including non-prescription medication, tell you doctor before taking Zantac tablets. If you are not sure then talk to your pharmacist or doctor before taking Zantac.
Check with your doctor or pharmacist before taking this medicine if: you have stomach cancer, kidney problems. If you have had stomach ulcers before and are taking non-steroidal anti-inflammatory (NSAID), you have a rare condition called acute porphyria, you are over 65 years old, you have lung disease, you are diabetic or you have any problems with your immune system. If you are taking any of the following: lidocaine – a local anaesthetic, propranolol, procainamide or n-acetylprocainamide – for heart problems, diazepam – for worry or anxiety problems, phenytoin – for epilepsy, theophylline – for breathing problems, warfarin – for thinning your blood, glipizide – for lowering blood glucose, triazolam – for insomnia, atazanavir or delaviridine – for treating HIV infection, gefitnib – for lung cancer, ketoconazole – an anti-fungal medicine.
Midazolam may be given to you before you have an operation so if you are taking Zantac and are about to have an operation, make sure you tell your doctor.
If you are pregnant, breast feeding or might become pregnant, talk to your doctor before taking Zantac.
If you notice any of the following side effects, stop taking Zantac and contact your doctor immediately: any allergic reactions such as rash, itching or hives, swelling of your face, lips, tongue or any other parts of your body, chest pain, shortness of breath, wheezing or any trouble breathing, unexplained fever and feeling faint especially when standing up, kidney problems, back pain, severe stomach pain, slow or irregular heartbeat, fever pain when passing urine, blood in the urine and changes in any blood tests you may regularly be having. Rare side effects that may show up in blood tests are increased serum creatinine (kidney function test) or changes to liver function. Rarely there can be changes in the level of certain substances in the blood which can lead to feeling unusually tired or short of breath, being more likely to bruise or get infections. There may be feelings of depression, confusion, seeing or hearing unexplained things (hallucinations), headaches, feeling dizzy or having blurred vision, swollen or painful joints or you cannot control their movement. There could be flushing or marks on your skin similar to targets, unexplained hair loss, diarrhoea, impotence, breast tenderness/enlargement, breast discharge.
If you get any side effects even other than those listed above, talk to your doctor or pharmacist.
Talk to our registered online doctor and pharmacist about any of the conditions below