Vitamin C Deficiency (Scurvy)
Learn what the condition is, how it may be detected early, how it is treated or managed, and which breeds or species are linked to it.
Condition snapshot
A concise guide to the condition’s pattern, detection, management and urgency.
This snapshot is a general guide, not a diagnosis or treatment plan. New, severe or worsening signs require veterinary assessment.
About the condition
Guinea pigs cannot synthesise vitamin C and require a reliable daily dietary source. Deficiency develops when pellets are old, fresh food is inadequate, water supplementation degrades or requirements increase during illness, pregnancy or growth.
Painful joints, reluctance to walk, swollen feet, poor wound healing, rough coat, gum bleeding, dental problems, reduced appetite and weight loss occur.
Guinea pigs cannot synthesise vitamin C and must consume it every day. The vitamin degrades with time, heat, light and moisture, so old fortified pellets or vegetables stored poorly may provide far less than expected. Adding it to drinking water is unreliable because concentration falls, taste can reduce drinking and actual intake is unknown. Growth, pregnancy, lactation, illness and wound healing increase requirements. Deficiency disrupts collagen formation, producing painful joints, bruising, gum bleeding, loose teeth, poor wound healing and weakness. Affected guinea pigs reduce eating because movement and chewing hurt, compounding weight loss and gastrointestinal dysfunction. Lameness or oral disease should not be assumed nutritional without examining for injury, dental malocclusion and infection. Excessive supplementation is not a replacement for a balanced ration, although vitamin C has a wider safety margin than many fat-soluble vitamins.
Guinea pigs cannot synthesise vitamin C and require a dependable dietary supply. Deficiency impairs collagen, causing painful joints, bleeding gums, loose teeth, poor wound healing and fragile blood vessels. Young, pregnant, ill and recovering animals may have increased needs, while vitamin degrades in stored food and drinking water. Pain can make a deficient guinea pig stop eating and mimic primary dental or gastrointestinal disease. A ration labelled for another herbivore is not automatically adequate. Because collagen is distributed throughout the body, deficiency can combine oral, skeletal and skin findings that otherwise appear unrelated. Bleeding into muscle or joints may be mistaken for trauma.
Screening & Early Detection
Feed fresh guinea-pig pellets in small packages, vitamin-C-rich vegetables and replace stored food before potency declines. Do not rely on vitamin C in drinking water alone.
Diagnosis uses diet history, examination and response to supplementation, with blood tests or radiographs when needed to assess anaemia and bone changes. Record pellet brand, opening date, storage, daily vegetables, water additives and whether cage mates monopolise food. Examine joints, feet, gums, teeth, skin and coat and track weight. Blood count, radiographs and chemistry assess anaemia, bone change and competing disease, while response to measured supplementation supports the diagnosis. Evaluate every guinea pig sharing the same food even if only one is lame. The diet should be analysed from food actually eaten, not the list offered.
Inability to walk, bleeding or food refusal requires prompt care. Verify the food's species, storage conditions and age and record vegetables actually eaten rather than offered. Examine gums, joints, feet, skin and teeth and assess blood loss and secondary gut slowdown. Response to controlled supplementation supports the diagnosis but does not eliminate concurrent dental or orthopaedic disease.
Treatment & Management
Veterinary-directed vitamin C supplementation, pain relief and nutritional support are provided while the diet is corrected. Severe deficiency may require intensive feeding and treatment of secondary infection.
Provide a veterinarian-calculated daily dose of vitamin C by mouth or injection according to severity, alongside analgesia and assisted feeding when pain has reduced intake. Replace old feed with fresh guinea-pig pellets stored cool and dry and supply reliable vitamin-C-rich vegetables. Do not rely on medicated water as the sole source. Treat dental injury, infection or wounds uncovered during examination and provide soft accessible footing for painful joints. Improvement in appetite may precede full recovery of connective tissue, so continue the prescribed course and recheck weight and mobility. Pregnant and growing animals require an ongoing higher dietary provision after clinical deficiency resolves.
Provide veterinarian-directed vitamin C replacement and a fresh guinea-pig-specific ration with reliable daily sources. Control pain and support food intake while damaged tissue heals. Do not depend on unstable vitamin in a water bottle as the sole source. Reassess mobility, gums, weight and wounds and maintain prevention after visible signs resolve.
Breeds or species affected
American Guinea Pig
Open small mammal description, care requirements and conditions
Abyssinian Guinea Pig
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Peruvian Guinea Pig
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Sheltie or Silkie Guinea Pig
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Teddy Guinea Pig
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Skinny Pig
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