"Can you prescribe that, or do I need a specialist?" is one of the most common questions I hear. Patients are often surprised by the answer. A primary care physician is licensed to prescribe nearly any FDA-approved medication, and in everyday practice we start and manage a large share of the prescriptions adults take.
That does not mean every doctor will prescribe every drug. What a particular clinician is comfortable managing, what your insurance requires, and whether a specialist should be involved all shape the answer. Here is how that plays out for the prescriptions people ask about most.
The Short Answer: Most Common Prescriptions Start in Primary Care
Blood pressure pills, cholesterol medicines, diabetes drugs, thyroid replacement, inhalers, antidepressants, and antibiotics are routine primary care. Medicines such as metformin, atorvastatin, and levothyroxine are started and adjusted by primary care doctors every day, and your PCP is usually the one who keeps your whole medication list safe from interactions.
In Florida, nurse practitioners can also prescribe most medications, with some limits on controlled substances set by state law.
The advantage of having one doctor manage most of your prescriptions goes beyond convenience. Every new medicine interacts with the ones you already take, and older adults in particular often see several specialists who each prescribe for their own organ. Your primary care doctor is the one person positioned to see the entire list, spot duplicates and interactions, and stop medicines you no longer need.
Mental Health Medications
Depression and anxiety
Yes, in most cases. Common medicines for depression and anxiety, such as sertraline, are widely prescribed in primary care, often alongside a referral for therapy. We see you back within a few weeks of starting or changing a dose to check how it is working. Our page on psychiatric medication management explains how we handle it.
A psychiatrist is the better fit for bipolar disorder, schizophrenia, or depression that has not responded to several treatments.
ADHD in adults
Often, yes, but it depends on the doctor and the situation. Adult ADHD needs a careful evaluation, because poor focus can also come from sleep apnea, depression, anxiety, thyroid problems, or medications. Stimulants are controlled substances, and Florida requires prescribers to check the state's prescription drug monitoring database, E-FORCSE, before prescribing most controlled substances. Some primary care practices manage adult ADHD themselves, while others confirm the diagnosis with a psychiatrist or psychologist first. Our article on adult ADHD covers the signs.
Weight Loss Medications
Yes. Primary care doctors commonly prescribe GLP-1 medications such as semaglutide (Wegovy) and tirzepatide (Zepbound) for adults who meet the FDA criteria, and follow them over time for side effects and results. The bigger hurdle is usually insurance coverage and prior authorization, not who writes the prescription. See our page on medical weight loss with GLP-1 medications.
Hormones: Testosterone and Menopause Therapy
Testosterone
Yes, when it is truly needed. The Endocrine Society's guideline recommends diagnosing low testosterone only when there are symptoms and levels are low on repeated early-morning blood tests. Many men with borderline results do not benefit from treatment, and testosterone requires ongoing monitoring of blood counts and other labs. Read more about low testosterone and testosterone cypionate.
Menopause hormone therapy
Yes. Primary care doctors routinely discuss and prescribe hormone therapy for hot flashes and other menopause symptoms, weighing the benefits against personal risk factors such as blood clots, stroke, and breast cancer. Our article on menopause hormone therapy explains the tradeoffs.
Sleep Medicines
Yes, although the best first treatment for chronic insomnia is usually not a pill. Cognitive behavioral therapy for insomnia (CBT-I) is the recommended first step, and many common sleeping pills raise the risk of falls, confusion, and next-day drowsiness in older adults. Before prescribing anything, a primary care doctor should also look for causes such as sleep apnea, restless legs, pain, depression, or a medication taken at the wrong time of day. Our page on sleep care explains how we evaluate sleep problems.
Infections and Antibiotics
Yes, and part of the job is knowing when not to prescribe. Most sinus infections, sore throats, and bronchitis are viral and do not improve with antibiotics, which carry real side effects. When an antibiotic is needed, such as for many urinary tract infections, your PCP can usually diagnose and treat it the same week. See when antibiotics help a sinus infection.
When a Specialist Makes More Sense
Some treatments are best started by a specialist even though a PCP is legally able to prescribe them. Biologic drugs for rheumatoid arthritis, psoriasis, or inflammatory bowel disease, chemotherapy, and many medicines for advanced heart, kidney, or neurologic disease fall in that group. Insurance plans sometimes require a specialist's prescription before they will approve a drug.
Even then, your primary care doctor stays involved: monitoring labs, managing side effects, keeping vaccines current, and making sure every prescriber knows what the others have ordered. Our guide to seeing a PCP versus a specialist goes deeper.
The Easiest Way to Find Out
Ask. When you call to schedule, tell the office what you hope to discuss, whether that is weight loss medication, ADHD treatment, testosterone, or something else. That lets the practice book the right amount of time and tell you up front if a specialist should be part of the plan.
Wondering whether we can help with a specific medication? Call Zimmer Medical Group at (727) 820-7800 to schedule with our primary care team in St. Petersburg.
