Mood changes on Augmentin: what to expect
Mood changes — anxiety, low mood, irritability, emotional blunting — are an under-recognised but important side-effect category for many medications. Whether Augmentin (Amoxicillin/Clavulanate) at 500/125mg, 875/125mg, 1000/62.5mg causes mood changes depends on Amoxicillin, Clavulanate and the indication. This page focuses on the practical pattern, what is normal and what calls for review.
Documented mood effects of Augmentin
For some medications in Antibiotics, mood changes are part of the central indication. For others, mood changes are listed in the prescribing information for Amoxicillin, Clavulanate as side effects in a small subset of users, sometimes appearing in the first weeks of therapy and resolving spontaneously. Amoxicillin inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), but is hydrolysed by beta-lactamase enzymes produced by some resistant bacteria.
When mood changes need review
Mild irritability or transient low mood in the first weeks on Augmentin at 500/125mg, 875/125mg, 1000/62.5mg is common and often improves. Persistent low mood, new anxiety that interferes with daily life, suicidal thoughts, or any sudden severe mood change warrants prompt review with the prescriber. According to current guidelines, suicidal ideation while starting any new medication should be treated as urgent.
Frequently asked questions
Can Augmentin cause anxiety or depression? ▾
In some users yes — the prescribing information for Amoxicillin, Clavulanate lists mood-related effects as possible side effects in a subset of users. The frequency varies by medication; the prescriber can review whether Augmentin or another factor is the most likely contributor at 500/125mg, 875/125mg, 1000/62.5mg.
How long do mood side effects from Augmentin last? ▾
Most mood side effects either resolve in the first weeks of Augmentin as the body adjusts, or persist and call for clinical review. Persistent severe mood changes are not something to wait out alone; the prescriber should hear about them.
More on Augmentin
- With alcoholAugmentin and alcohol — is it safe to drink?
- With foodShould Augmentin be taken with food?
- Side effectsAugmentin side effects: common, rare and warning signs
- Dosage guideAugmentin dosage guide: how much to take and when
- OnsetHow fast does Augmentin start working?
- DurationHow long does Augmentin last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.