Checklists are not intended to replace the advice of your own physician or other medical professional. You should consult a medical professional in matters relating to health and individuals are solely responsible for their own health care decisions regarding the use of this questionnaire. It is intended for informational purposes only and not for self-treatment or diagnosis.

The Horowitz/MSIDS 38 Point Symptom Checklist, created by Dr Richard Horowitz MD, is “an essential tool in determining the probability of Lyme Disease.” Dr Horowitz is one of the most sought out Lyme Disease doctors in the world. He is one of the founding members of ILADS (International Lyme & Associated Diseases Society), and the leader on Lyme Disease research and education. He is an LDAA patron and member of our Scientific Advisory Committee.

Printable Horowitz Checklist

We also endorse Dr Nicola Ducharme’s Lyme Quiz. Dr Nicola is an Australian-born naturopathic doctor, currently living and practising in the US. She is author of several books on Lyme disease. (See our Resources & Support page).

Alternatively, or additionally, you can try Igenex’s Symptom Checker, which includes co-infections (other pathogens commonly contracted along with Lyme).

Diagnosis and treatment of Lyme is controversial in Australia.
Please contact us – we’ll help you find a suitable practitioner.

See also Lyme Diagnosis.