A cyst in guinea pigs is a hard lump on the surface of the skin. What differentiates it from other types of lumps such as tumors and abscesses is that it does not cause pain to the pig on its own or when touched. In fact, many guinea pigs live with cysts for a long time in their lives without even knowing they are there. Fortunately, cysts are much less harmful than most other conditions and can be easily treated.

However, before you start treating it, you will need to visit the vet to confirm if it really is a cyst. This is an area where even seasoned medical professionals misdiagnose the situation, so it is not a good idea to think that you are sure it is a cyst; Play it safe and let a vet find out what it’s all about.

A sebaceous cyst (the most common form) will usually appear on its own in due time, releasing the fluids it contains. But if the cyst continues to grow to an abnormal size without bursting, it could damage the pig’s internal organs. So if you notice that it is still growing, you should take the pig to a vet to have the cyst punctured. The vet will also drain fluids from the cyst and advise you on further treatment.

Once a cyst has burst or drained properly, the cavity must be properly treated to prevent infection. Treatment includes cleaning the cavity under running water when necessary. After cleansing, it should be treated with a topical antiseptic cream.

Although most cysts disappear after bursting, a cyst could return to the same place on the skin later and require repeated treatment. That is why it is a somewhat risky approach to let a cyst burst on its own or even drain.

So the best thing to do with a cyst is to remove it surgically. This is not absolutely necessary, but it is the most recommended course of action, as it will completely rid your pig of the problem once and for all. The costs of the surgery generally include anesthesia, some stitches on the pig’s skin, and some medication for a week or so. It might be a bit pricey, but the price tag is well worth the relief if you can afford it.