Ampicillin vs Amoxicillin | Detailed Explanation

Ampicillin vs Amoxicillin, as common and important antibiotics for the treatment of bacterial infections, have both similarities and differences. This article will further guide you to understand the two drugs from the aspects of main efficacy, usage methods, and precautions.

Introduction of Ampicillin vs Amoxicillin

1. Ampicillin

Ampicillin belongs to penicillin drugs. It can cure some infections caused by bacteria, such as meningitis, and infections of the throat, lungs, and gastrointestinal tract by killing bacteria. It is ineffective against viral infections such as influenza and colds. Please do not take antibiotics unnecessarily, as this will increase the risk of infections in the future.

Take Ampicillin with a very cautious attitude, and thoroughly read the precautions. It chiefly comes in 2 types: capsules and suspensions, which are usually taken orally three to four times a day. It is not advisable to eat too much or too little, and it is necessary to strictly follow the doctor’s prescribed number of times. Even if the patient feels better, they ought to continue to use the medication according to the doctor’s prescription. Because stopping use too early cannot achieve a cure effect, and taking too much can lead to drug resistance.

If you are allergic to antibiotics, please never take this medication. The general recommendation is to take it half an hour before meals or two hours after meals and take it at the same time every day. If taking a suspension, shake it thoroughly before taking it. If you miss one dose of medication, please take it as soon as possible, but if the time is approaching the next dose, skip this dose directly and never take two doses of medication in a short period. By the way, before the doctor issues a prescription, if you have diabetes, kidney disease, or are in pregnancy or have plans to prepare for pregnancy, you should inform the doctor, and read the instructions for details.

2. Amoxicillin

Amoxicillin is a penicillin antibiotic against bacteria. Amoxicillin is used to treat many different types of infections caused by bacteria, such as tonsillitis, pneumonia, and throat, skin, or urinary tract infection, and is ineffective against viral infections. It can also be used together with other drugs to treat gastric/intestinal ulcers caused by Helicobacter pylori. The drug is also prohibited from abuse as it may decrease resistance.

This medication can be taken after the meal. Similar to ampicillin, individuals with antibiotic allergies are strictly prohibited from taking this medication. This medication is usually administered two to three times a day, with dosage depending on the condition and strict adherence to the doctor’s prescription. The medication interval should be kept even, such as once every eight hours or once every twelve hours to better exert the drug effect. Drinking more water is recommended to reduce the burden on the kidneys when taking this medication. Similarly, even if the condition improves after taking this medication for a few days, it is important to continue taking it until the prescription is completed, or the condition is prone to relapse. If there is no improvement or even deterioration after taking it for a few days, please seek medical attention promptly.

Compare Ampicillin vs Amoxicillin

The following are the similarities between the two. Firstly, both are antibiotic drugs used to treat bacterial infections. Secondly, both are prescription drugs. Furthermore, the inapplicable populations of the two are generally the same. Finally, it is recommended to store both in a dark environment.

After discussing the similarities, the following are the differences between the two. Firstly, there are 50 known drugs that can interact with the former, while the latter is relatively rare, with only 37. Secondly, the frequency of medication varies, with the former administered three to four times a day and the latter administered two to three times a day. Thirdly, the former was approved earlier and had already been approved in 1965, while the latter appeared a few years later and was only approved in 1974. Finally, the former can be used for intravenous injection, while the latter can only be taken orally.

Conclusion

To sum up, ampicillin and amoxicillin are different in many ways as drugs for treating bacterial infections. For example, the former has fewer adverse reactions and can be administered orally or intravenously, while the latter can only be administered orally and has more drugs that can interact with it. 

All in all, I hope this text will assist you use the medication correctly. Please request medical attention promptly on time to avoid delaying treatment.