Find an STD Testing Location in Crystal Lake, IL
You can find testing across Crystal Lake. Nearby towns in McHenry County add more choices. Many sites offer confidential visits.
Ask a health care provider about the right tests. That advice should reflect your symptoms, partners, and exposure history. Review your results with that provider to plan next steps.

Cities Near Crystal Lake, IL for STD Testing
- Addison, IL
- Algonquin, IL
- Alton, IL
- Arlington Heights, IL
- Aurora, IL
- Bloomingdale, IL
- Bloomington, IL
- Bolingbrook, IL
- Buffalo Grove, IL
- Carbondale, IL
- Champaign, IL
- Chicago, IL
- Decatur, IL
- Dekalb, IL
- Des Plaines, IL
- Downers Grove, IL
- Edwardsville, IL
- Elgin, IL
- Elmhurst, IL
- Glenview, IL
- Hoffman Estates, IL
- Joliet, IL
- Naperville, IL
- Niles, IL
- Oak Lawn, IL
- Oak Park, IL
- Orland Park, IL
- Palatine, IL
- Park Ridge, IL
- Peoria, IL
- Plainfield, IL
- Rockford, IL
- Round Lake Beach, IL
- Schaumburg, IL
- Skokie, IL
- Springfield, IL
- Tinley Park, IL
- Wheeling, IL
Free STD Testing Centers in Crystal Lake, IL
Low-cost options are available nearby. Community clinics and public agencies may offer confidential testing, treatment, or referrals.
Call before you go. Ask about fees, hours, and appointment requirements.
HIV Testing at Center on Halsted
- Address: 3656 N. Halsted St., Chicago, IL 60613
- Number: (773) 661-0910
- Hours: Call for current hours
McHenry County Department of Health
- Address: 2200 N. Seminary Ave., Woodstock, IL 60098
- Number: (815) 334-4510
- Hours: Call for current hours
Northwestern Medicine Immediate Care Crystal Lake
- Address: 360 Station Dr., Crystal Lake, IL 60014
- Number: (815) 788-7500
- Hours:
- Monday: 8:00 a.m. to 8:00 p.m.
- Tuesday: 8:00 a.m. to 8:00 p.m.
- Wednesday: 8:00 a.m. to 8:00 p.m.
- Thursday: 8:00 a.m. to 8:00 p.m.
- Friday: 8:00 a.m. to 8:00 p.m.
- Saturday: 8:00 a.m. to 8:00 p.m.
- Sunday: 8:00 a.m. to 8:00 p.m.
Open Door Health Center of Illinois
- Address: 1665 Larkin Ave., Elgin, IL 60123
- Number: (847) 695-1093
- Hours: Call for current hours
Planned Parenthood – Delavan Health Center
- Address: 312 S. Seventh St., Delavan, WI 53115
- Number: (262) 728-1849
- Hours: Call for current hours
Renz Addiction Counseling Center
- Address: 1 American Way and 2 American Way, Elgin, IL 60120
- Number: (847) 742-3545
- Hours: Call for current hours
