Gertac 300mg Tablet 10'S

Ulcer/Reflux/Flatulence Rx required

Best Price*  ₹ 9.44
MRP ₹11.80
(Inclusive of all taxes) *10 Tablet(s) in a Strip * Mfr: Cadila Healthcare Ltd (Zydus) (Generics) * Country of Origin: India

What is GERTAC 300MG?

  • GERTAC 300MG contains ranitidine which belongs to a group of medicines known as H2-receptor antagonists
Therapeutic Uses
Warning & Precautions
Directions & For Use
Side Effects
More Information

What GERTAC 300MG is used for?

  • It is used to heal and stop ulcers from bleeding in the stomach, or the part of the gut it empties into (the duodenum)
  • It is clear up infection in your stomach, when taken with antibiotic medicines (medicines taken to treat germs)
  • It helps to improve problems caused by acid in the food pipe (oesophagus) or too much acid in the stomach

Talk to Doctor

Pregnancy & Breast Feeding

Children & Adolescents

Driving & Using Machines

Talk to your doctor before taking this medicine, if you:

  • are allergic to ranitidine or any of the other ingredients of this medicine
  • have difficulty swallowing
  • have porphyria (too much pigment called porphyrin which may discolour the urine)
  • have unintended weight loss
  • are middle-aged or older with new or recently changed indigestion symptoms
  • have had a peptic ulcer
  • have persistent stomach pain
  • are under regular medical supervision
  • have breathing problems
  • have stomach cancer
  • have kidney or liver problems
  • have had stomach ulcers before and you are taking Non-Steroidal Anti-Inflammatory (NSAID) medicines
  • have a rare condition called acute porphyria
  • have lung disease
  • are diabetic
  • have any problems with your immune system
  • If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor for advice before taking this medicine
  • Your doctor will work out the right dose for you based on your child’s weight
  • Do not drive or operate machinery if you experience drowsiness, blurred vision or vertigo while taking GERTAC 300MG

Tell your doctor about any other medicine you are taking:

  • non-steroidal anti-inflammatory painkillers (aspirin or ibuprofen)
  • lidocaine, a local anaesthetic
  • propranolol, procainamide or n-acetyl procainamide, for heart problems
  • diazepam, for worry or anxiety problems
  • phenytoin, for epilepsy
  • theophylline, for breathing problems (asthma)
  • warfarin, for thinning your blood
  • glipizide, for lowering blood glucose
  • atazanavir or delavirdine, for treating HIV infection
  • triazolam, for insomnia
  • gefitinib, for lung cancer
  • ketoconazole, an anti-fungal medicine, sometimes used for treating thrush
  • sucralfate, for treating stomach ulcers
  • Always take this medicine exactly as your doctor has told you
  • Take this medicine by mouth
  • Swallow whole with a glass of water

Usual dose for adults and elderly:

  • 150 mg in the morning and 150 mg in the evening, or 300 mg at bedtime

Treatment of stomach or duodenal (small intestine) ulcers:

  • The usual dose is 2 mg for each kg of body weight, twice a day for four weeks
  • This dose may be increased to 4 mg for each kg, twice a day. Take each dose about 12 hours apart. The duration of treatment may be increased to 8 weeks

Treatment of heartburn due to too much acid:

  • The usual dose is 2.5 mg for each kg of body weight, twice a day for two weeks. This dose may be increased to 5 mg for each kg, twice a day. Take each dose about 12 hours apart

If you take more GERTAC 300MG

  • If you take more GERTAC 300MG or if someone else has taken your medicine, talk to your doctor immediately and you may need Medical attention

If you forget to take GERTAC 300MG

  • If you forget a dose, take it as soon as you remember it, unless it is nearly time for your next dose. Do not take a double dose to make up for a forgotten dose

If you stop taking GERTAC 300MG

  • Do not stop taking GERTAC 300MG without talking to your doctor first
Very Rare

Like all medicines, this medicine can cause side effects, although not everybody gets them.

  • allergic reactions include - rash, itching or hives on the skin
  • swelling of your face, eye lids, lips, tongue or other parts of the body
  • chest pain, shortness of breath, wheezing or having trouble breathing
  • unexplained fever and feeling faint, especially when standing up
  • kidney problems, which can lead to back pain, fever, pain when passing urine, blood in the urine and changes in blood tests
  • severe stomach pain, this may be a sign of something called ‘pancreatitis’
  • a slow or irregular heartbeat
  • unexplained bruising or bleeding
  • confusion, depression, drowsiness or hallucinations
  • headache, dizziness or sudden, jerky movement
  • changes in heart rhythm
  • inflammation of your blood vessels
  • sudden inflammation of your pancreas (you may get severe stomach pain) or diarrhea
  • stomach pain, constipation, feeling sick (nausea)
  • inflammation of liver which may cause - feeling or being sick, fever, itching, yellowing of the skin and eyes, dark coloured urine
  • hair loss, blurred vision
  • aches and pain in your muscles and joints
  • sudden inflammation of your kidneys
  • blood in your urine or changes in the normal amount of urine
  • increase in serum creatine in the blood (kidney function test)
  • impotence
  • swollen, tender or leaking breasts



  • hallucinations
  • feeling dizzy or having blurred vision
  • joints or muscles are painful or swollen or you cannot control their movement
  • small blood vessels can become swollen (known as ‘vasculitis’)
  • liver problems such as nausea (feeling sick) or vomiting (being sick), loss of appetite or generally feeling unwell, itching, fever, yellowing of the skin and eyes or dark colored urine
  • flushing or marks on your skin that look like targets
  • unexplained hair loss
  • diarrhea
  • impotence
  • breast tenderness or breast enlargement
  • awareness of the heart beat and/or increased heart rate
Additional Information


  • Protect from excess heat and light
  • Keep out of reach of children
  • Store at room temperature (15-25ºC)
  • Do not use this medicine after the expiry date

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