{"id":630736,"date":"2024-12-12T18:59:08","date_gmt":"2024-12-12T23:59:08","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=630736"},"modified":"2026-04-16T15:33:28","modified_gmt":"2026-04-16T19:33:28","slug":"famotidine-infant-dosage","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/famotidine-infant-dosage\/","title":{"rendered":"What is the recommended famotidine dosage for infants?"},"content":{"rendered":"

Famotidine<\/span><\/a>, commonly known by the <\/span>brand name<\/span> Pepcid<\/span>, is a medication <\/span>commonly used<\/span> to treat <\/span>heartburn<\/span><\/a>, <\/span>peptic ulcers<\/span><\/a>, <\/span>duodenal ulcers<\/span>, <\/span>gastroesophageal reflux disease<\/span> (<\/span>GERD<\/span><\/a>), and <\/span>pathological hypersecretory conditions<\/span> (conditions where the stomach makes excess <\/span>gastric acid<\/span>), such as <\/span>Zollinger-Ellison syndrome<\/span>. Initially approved by the U.S. Food and Drug Administration (<\/span>FDA<\/span>) in 1986, <\/span>famotidine<\/span> is available by prescription and over-the-counter (<\/span>OTC<\/span>). <\/span>Famotidine<\/span><\/a> is part of a group of drugs called <\/span>H2-blockers<\/span><\/a>, or <\/span>H2-receptor antagonists<\/span>, and its <\/span>mechanism of action<\/span> is reducing stomach acid, causing <\/span>acid suppression<\/span>. Sometimes, infants or children are prescribed <\/span>famotidine<\/span>. If you are giving <\/span>famotidine<\/span> to your infant, you may want to know the dosage. The <\/span>dosage<\/span><\/a> depends on the reason for use as well as the infant\u2019s age and weight. Continue reading to learn more about <\/span>famotidine<\/span> for infants.<\/span><\/p>\n

Recommended <\/span>famotidine<\/span> infant dosage<\/span><\/h2>\n

Your infant\u2019s <\/span>healthcare provider<\/span> will calculate the proper dosage based on the condition being treated, age, and weight. Always follow the <\/span>healthcare provider<\/span>\u2019s instructions, as the dosage is individualized for your infant. Although various <\/span>formulations<\/span> of <\/span>famotidine<\/span> are available, infants are generally prescribed the oral liquid form. In some cases, such as in a hospital or clinic, your infant may receive <\/span>famotidine<\/span> by injection. However, this article will focus on the home use of <\/span>famotidine<\/span> for infants (up to 12 months old), which, in most cases, is with oral liquid.\u00a0<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
Famotidine infant dosage by weight<\/span><\/th>\n<\/tr>\n<\/thead>\n
Use\/age<\/b><\/td>\nRecommended dosage (liquid)<\/b><\/td>\n<\/tr>\n
GERD<\/span> for ages birth (<\/span>neonates<\/span>) to less than 3 months of age<\/span><\/td>\nThe starting dosage is 0.5 milligrams (mg) per kilogram (kg) by mouth once daily. The <\/span>healthcare provider<\/span> may increase the dose to 1 mg per kg once daily if needed.<\/span><\/td>\n<\/tr>\n
GERD<\/span> for ages 3 months to less than 12 months<\/span><\/td>\nThe starting dosage is 0.5 mg per kg twice a day. If needed, the <\/span>healthcare provider<\/span> may increase the dose to 1 mg per kg twice daily.\u00a0<\/span><\/td>\n<\/tr>\n
Erosive esophagitis<\/span> due to <\/span>GERD<\/span> for ages birth to less than 3 months of age<\/span><\/td>\nThe starting dosage is 0.5 mg per kg by mouth once daily. The <\/span>healthcare provider<\/span> may increase the dose to 1 mg per kg once daily if needed.<\/span><\/td>\n<\/tr>\n
Erosive esophagitis<\/span> due to <\/span>GERD<\/span> for ages 3 months to less than 12 months<\/span><\/td>\nThe starting dosage is 0.5 mg per kg twice a day. If needed, the <\/span>healthcare provider<\/span> may increase the dose to 1 mg per kg twice daily.\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Source: <\/span>Famotidine<\/span><\/a> (DailyMed), <\/span>Pepcid<\/span><\/a> (PDR)<\/span><\/p>\n

Optimal dosing times for <\/span>famotidine<\/span> in <\/span>pediatric<\/span> care<\/span><\/h2>\n

Here are some tips for how to give your infant <\/span>famotidine<\/span>:<\/span><\/p>\n