Pododermatitis in guinea pigs (common; affects all four feet; inappropriate flooring/obesity predispose)
Source: Merck Veterinary Manual (merckvetmanual.com), a copyrighted professional veterinary reference. Per COPYRIGHT_POLICY §3, the points below are paraphrased derived fact summaries: numerical values and proper nouns are preserved from the source, but sentences are rewritten and not quoted verbatim.
Claims
*[Paraphrased derived summary — non-Open-Access source.]* Pododermatitis (footpad soreness) is common in guinea pigs and can affect all four feet.