How to Dose Medical Marijuana for Pain: A Beginner's Guide

The most common question new medical marijuana patients ask is: 'How much should I take?' Unlike conventional medications with standardized doses, cannabis dosing is highly individual — what works for one patient may be too much or too little for another. This guide walks you through the evidence-based 'start low and go slow' approach to finding your optimal dose for chronic pain, covering every delivery method available at Florida dispensaries.

Why Cannabis Dosing Is Different from Other Medications

Pharmaceutical pain medications come in precise doses: take two 200mg ibuprofen tablets every 6 hours. Cannabis doesn't work that way, and there's a good reason. Individual responses to THC and CBD vary enormously based on genetics (your specific endocannabinoid system receptor density and enzyme activity), tolerance (whether you've used cannabis before), body composition, the specific pain condition, concurrent medications, and even what you've eaten that day. A 2017 review in Clinical Pharmacology & Therapeutics (MacCallum & Russo) found that the therapeutic dose range for THC can vary 20-fold between patients — from 1mg to 20mg+ — making individualized titration essential. Additionally, cannabis exhibits a biphasic dose-response: low doses often produce the desired therapeutic effects (pain relief, relaxation), while high doses can paradoxically increase anxiety and pain sensitivity. This is why 'start low, go slow' isn't just conservative advice — it's the most effective strategy for finding your optimal dose.

The Start Low, Go Slow Protocol

Dr. Stratt recommends the following evidence-based titration protocol for new patients. Week 1: Start with 2.5mg of THC (or a 1:1 THC:CBD product at 2.5mg each) taken once in the evening. This is a sub-therapeutic dose for most patients, but it allows your body to begin adapting to cannabinoids without overwhelming your system. Week 2: If you experienced no adverse effects and insufficient pain relief, increase to 2.5mg twice daily (morning and evening) or increase the evening dose to 5mg. Week 3–4: Continue increasing by 2.5mg per dose every 3–5 days until you reach satisfactory pain relief or encounter side effects. If you experience drowsiness, anxiety, or dizziness, step back to the previous dose — that's your ceiling for now. The goal is to find the minimum effective dose — the lowest amount that provides meaningful pain relief. Most pain patients stabilize between 5–25mg of THC per dose, but some require more or less. This process takes patience, but it yields far better long-term results than starting high and chasing relief through a fog of side effects.

Dosing Tinctures and Oils for Pain

Sublingual tinctures are the gold standard for precise dosing because they come with calibrated droppers that deliver exact milligram amounts. Place the drops under your tongue and hold for 60–90 seconds before swallowing — this allows cannabinoids to absorb directly through the sublingual blood vessels, bypassing the liver for faster onset (15–30 minutes) and more predictable effects. Most Florida dispensary tinctures are formulated at concentrations like 10mg/mL or 25mg/mL, so a single dropper (1mL) delivers a known dose. For the start-low protocol, a 10mg/mL tincture allows you to easily measure 0.25mL (2.5mg) to start. Duration of effects: 4–6 hours when taken sublingually. If you swallow the tincture (which some patients prefer mixed into food or drinks), onset is slower (45–90 minutes) but duration is longer (6–8 hours). For chronic pain, many patients take tinctures 2–3 times daily at regular intervals to maintain steady cannabinoid levels.

Dosing Edibles and Capsules for Pain

Oral products (capsules, edibles, tablets) pass through the liver before entering circulation — a process called first-pass metabolism that converts THC into 11-hydroxy-THC, a metabolite that's 2–3 times more potent and longer-lasting than inhaled THC. This makes edibles powerful for chronic pain but also the easiest delivery method to accidentally overdose. Key dosing rules for edibles: always start at 2.5–5mg THC per dose. Wait a full 2 hours before taking more — onset can range from 30 minutes to 2 hours depending on your metabolism and whether you've eaten. Don't take edibles on an empty stomach if you want predictable effects; a small snack with healthy fats (avocado, nuts) improves absorption consistency. Duration is 6–10 hours, making capsules and edibles ideal for overnight pain relief or all-day baseline management. Florida dispensaries carry pre-dosed capsules (typically 5mg, 10mg, or 25mg THC) and RSO (Rick Simpson Oil) syringes that allow precise oral dosing by the rice-grain-sized increment.

Dosing Inhaled Cannabis for Pain

Vaporized flower and vape cartridges provide the fastest onset (1–5 minutes) and the easiest real-time dose titration — you can take one puff, wait 5–10 minutes, and assess your pain level before deciding whether to take another. This makes inhalation ideal for breakthrough pain episodes. A single inhalation from a vaporizer delivers approximately 2–5mg of THC depending on the strain's potency and how deeply you inhale. For new patients, Dr. Stratt recommends starting with a single puff from a low-to-moderate THC strain (15–18% THC), waiting 10 minutes, then taking a second puff only if needed. Duration of inhaled cannabis is shorter than other methods — typically 2–3 hours — which is actually an advantage for new patients because if you take too much, the effects dissipate relatively quickly. Vape cartridges offer more consistent dosing than flower because the extract is standardized, but flower provides the full spectrum of cannabinoids and terpenes (the entourage effect) that many patients find more effective for pain.

THC:CBD Ratios for Different Pain Types

The ratio of THC to CBD in your product significantly affects pain relief. For inflammatory pain (arthritis, autoimmune conditions, disc inflammation): start with a 1:1 THC:CBD ratio. CBD's anti-inflammatory properties complement THC's analgesic effects, and CBD also moderates THC's psychoactive intensity. For neuropathic pain (nerve damage, neuropathy, sciatica): higher THC ratios (2:1 or 3:1 THC:CBD) are often more effective because THC directly modulates pain signal transmission in the spinal cord. For muscular pain (spasms, tension, fibromyalgia): THC-dominant products with myrcene-rich terpene profiles provide the best combination of pain relief and muscle relaxation. For mixed pain (most chronic pain involves multiple mechanisms): the 1:1 ratio is a safe starting point, with adjustments based on which component of your pain is most dominant. CBD-only products (0:1 ratio) provide mild anti-inflammatory effects without psychoactivity — useful for daytime supplementation but generally insufficient as a standalone treatment for moderate-to-severe chronic pain.

Keeping a Dosing Journal

A dosing journal is the single most useful tool for finding your optimal dose. Record: the date and time of each dose, the product name and cannabinoid content, the dose in milligrams, your pain level before dosing (0–10 scale), your pain level 1 hour after dosing, any side effects (drowsiness, dry mouth, anxiety), and notes about activities, food, and sleep quality. After 2–3 weeks, patterns emerge: you'll see which products and doses consistently provide the best relief with the fewest side effects. Bring this journal to follow-up appointments with Dr. Stratt — it provides objective data that helps refine your treatment plan far more effectively than trying to remember your experience from memory. Several smartphone apps are designed specifically for cannabis dosing journals, or a simple notebook works just as well.

Common Dosing Mistakes to Avoid

Starting too high is the most common mistake — patients assume that more cannabis means more pain relief, but the biphasic dose-response means exceeding your optimal dose can actually worsen pain and anxiety. Not waiting long enough between doses is the second most common error, especially with edibles. The 'I don't feel anything yet, let me take more' trap has caused many uncomfortable experiences that are entirely avoidable by waiting a full 2 hours. Inconsistent timing undermines effectiveness — cannabinoids work best when maintained at steady levels, so taking your medicine at roughly the same times each day produces better results than sporadic use. Comparing your dose to others is misleading because individual variation is enormous. Finally, not adjusting over time — your optimal dose may change as your condition changes, your tolerance develops, or seasonal factors affect your pain. Regular check-ins with Dr. Stratt ensure your dosing stays optimized.