Answer
Hair loss is listed as common with tablets. It is not a prominent established effect of injectable cladribine, although mild temporary cases have been reported.
Sources for this answer
- Cladribine Merck 10 mg tablets — Current selected SmPCemc · Summary of Product Characteristics
- LITAK 2mg/ml solution for injection — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.