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Medications
Ranitidine

Ranitidine

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Ranitidine is a H2 receptor blocker which is a kind of anti-ulcer drug (gastroenterology drug).

Dr. Jeffrey Pollard reviewed this

23 year experience in ENT and Head and Neck Surgery

Drug Class

H2 receptor blocker

Brands

Zantac • Austac-150 • R-loc • Histak • Ranihexal • Ranit • Ultak

Side Effects

Common

Spinning sensation
Constipation
Dizziness
Fatigue
Diarrhea
Vomiting
Confusion
Malaise
Headache
Nausea
Dry or cracking skin
Aching muscles
Rash

Serious

Hallucinations
Hypersensitivity

Treats

Hives (urticaria)
2.7
156 reviews
Contact urticaria
2.5
13 reviews
Dehydration in children
1.4
46 reviews
Dehydration
1.3
31 reviews

Related questions

A 22-year old female asked:

Is ranitidine still used?

1 doctor answer • 1 doctor weighed in

A 51-year old male asked:

What is the med ranitidine for?

1 doctor answer • 1 doctor weighed in

A 32-year old male asked:

Is famitodine as safe as ranitidine?

1 doctor answer • 2 doctors weighed in

A 42-year old asked:

Is 450mg of Zantac (ranitidine) bad?

1 doctor answer • 1 doctor weighed in

A 45-year old asked:

Expired Zantac (ranitidine) still work?

1 doctor answer • 1 doctor weighed in

A 35-year old female asked:

Does Zantac (ranitidine) 75 contain aluminum?

2 doctor answers • 2 doctors weighed in

A 39-year old female asked about a 66-year old female:

Can I take 3 Zantac (ranitidine) at one time?

1 doctor answer • 2 doctors weighed in

A 55-year old female asked:

Can I take Zantac (ranitidine) with omaprozle ?

1 doctor answer • 1 doctor weighed in

A 29-year old asked:

Can you have an overdose on zantac (ranitidine)?

1 doctor answer • 6 doctors weighed in

A 19-year old female asked:

Why ranitidine is not used as anti-allergic drug ?

1 doctor answer • 1 doctor weighed in

A 33-year old asked:

Is 150 mg of Zantac (ranitidine) safe for long term use?

1 doctor answer • 2 doctors weighed in

A 30-year old male asked:

Am I able to take 4mg ondanssetron with 150mg ranitidine?

1 doctor answer • 1 doctor weighed in

A 33-year old female asked:

How much ranitidine should my 19week 13lb 5 baby be taking ?

2 doctor answers • 2 doctors weighed in

A 33-year old asked:

Does Zantac (ranitidine) lose effectiveness past expiration date?

1 doctor answer • 1 doctor weighed in

A 38-year old asked:

How long is it supposed to it take for Zantac (ranitidine) to work?

1 doctor answer • 2 doctors weighed in

A 39-year old asked:

I need some directions on taking Zantac (ranitidine) 150 please help?

1 doctor answer • 1 doctor weighed in

A 57-year old male asked:

What is the diffrence between Zantac and ranitidine are they not the same?

1 doctor answer • 3 doctors weighed in

A 37-year old asked:

I take 600 mg of Zantac (ranitidine) a day. Can I occassionally take more?

2 doctor answers • 5 doctors weighed in

A 40-year old asked:

Zantac (ranitidine) 1 year past expiration, what would happen if i took it?

1 doctor answer • 2 doctors weighed in

A 55-year old asked:

Does taking Zantac (ranitidine) interfere with the effectiveness of cellexa?

1 doctor answer • 1 doctor weighed in

A 25-year old asked:

Can I mix my baby's medicine in with his bottle? He takes generic zantac (ranitidine).

1 doctor answer • 1 doctor weighed in

A 23-year old male asked:

Accidentally took a Zantac (ranitidine) that is exactly 1 year past expiration date...How bad is that?

2 doctor answers • 6 doctors weighed in

A 36-year old female asked:

Is it ok for me to take another zantac (ranitidine) 150 if I took one yesterday at 11am and one at 7pm?

1 doctor answer • 2 doctors weighed in

A 47-year old female asked about a 53-year old male:

Is it ok to take Zantac (ranitidine) after taking dica and also I am taking amiptrityline 50mg at night?

1 doctor answer • 1 doctor weighed in

A member asked:

How many tablets of Zantac (ranitidine) 150 does it take to overdose? Suppose to take two but took three instead

2 doctor answers • 2 doctors weighed in

A 29-year old male asked:

How long does it take for ranitidine to leave you system? Been taken even other day for about two months of 150mg

1 doctor answer • 1 doctor weighed in

A 26-year old female asked:

Can zantac (ranitidine) 150 cause decrease in appetite? took a few times in a week, appetite lower. Once stopped it was fine

2 doctor answers • 3 doctors weighed in

A 22-year old male asked:

Given Zantac (ranitidine) 150mg to take twice a day. Half a tablet once a day works the same. Is this ok instead of 2? Male 22

1 doctor answer • 1 doctor weighed in

A 31-year old female asked:

My son is 1 and has been on Zantac (ranitidine) for about 10 months and now is showing a high ferratin level ? Can zanta cause this to happen ?

1 doctor answer • 1 doctor weighed in

A 35-year old asked:

Are ranitidine ingredients ppis?

2 doctor answers • 4 doctors weighed in

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