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Pain medication chart: Strength tiers, DEA schedules and free PDF

Free PDF 3 pages, print-ready Clinician-reviewed


A pain medication chart is a clinician reference that groups analgesics by drug class, strength tier, and DEA schedule. It lets a prescriber compare options at a glance and start at the lowest-risk step that fits the pain type. The tiers follow the WHO analgesic ladder, moving from non-opioids to opioids, with adjuvants added where pain is neuropathic. This chart covers OTC pain relievers, nerve pain agents, muscle relaxants, and opioid cautions, plus a formulary worksheet your practice fills in. Dosing reflects typical FDA labeling and must be individualized under each product's prescribing information.

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A three-page reference that groups analgesics by drug class, strength tier, and controlled-substance status. It adds OTC cautions, a decision checklist, and a formulary worksheet for onset, duration, and DEA schedule.

What’s inside
  • Drug class table covering mechanism, common examples, and primary use
  • Three strength tiers following the WHO analgesic ladder, from OTC to opioid
  • OTC pain reliever table with labeled dosing notes and key cautions
  • Neuropathic agents and muscle relaxants with side effects and scheduling status
  • Opioid cautions, a five-step decision checklist, and class safety warnings
  • Twelve-row formulary worksheet for strength, onset, duration, and DEA schedule
PDF · 3 pages · 261 KB No sign-up needed Updated November 2026
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Key takeaways

Key takeaways

A pain medication chart groups analgesics by drug class, strength tier and DEA schedule, so the lowest-risk option is easy to find.

The chart climbs in three tiers, from OTC non-opioids to prescription adjuvants to opioids, and each step adds a prescribing control.

Acetaminophen and NSAIDs carry hepatic, renal, GI and cardiovascular risks that need screening before use.

Since 2018, the FDA Opioid Analgesic REMS has covered immediate-release as well as extended-release and long-acting outpatient opioids.

Pabau, the practice software we build, keeps e-prescriptions and the reasoning behind them in the patient record.

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What is a pain medication chart and how do clinicians use it?

A pain medication chart is a clinician-facing reference that lists analgesics by drug class, strength, onset, duration, and controlled-substance status. It supports consistent prescribing conversations and documentation across a team.

Clinicians use the chart to place a patient on the WHO analgesic ladder, which moves from non-opioids to opioids. It also shows the next step if first-line therapy fails, and the scheduling rules to confirm before writing a prescription. The chart does not replace the prescribing information for any product.

Pain medication categories at a glance

Pain medications fall into a small number of classes, each with a different mechanism and risk profile. The summary below is the first layer of the chart.

Drug classMechanismCommon examplesPrimary use
AcetaminophenCentral analgesic actionTylenol, paracetamolMild pain, fever
NSAIDsCOX enzyme inhibitionIbuprofen, naproxen, aspirinMusculoskeletal and inflammatory pain
Neuropathic agentsModulate nerve signalingGabapentin, pregabalin, duloxetineNerve pain
Muscle relaxantsCentral muscle tone reductionCyclobenzaprine, baclofenMuscle spasm, back pain
OpioidsMu-opioid receptor agonismShort- and long-acting agentsModerate to severe pain

Pain medication chart by strength: From OTC to opioid

Ordering a pain medication chart by strength helps clinicians move from the least to the most potent option in a predictable sequence. Potency ranking is a relative guide, not a dosing instruction.

  • Tier 1, OTC non-opioids: Acetaminophen and NSAIDs, typically first-line for mild to moderate pain.
  • Tier 2, Rx non-opioids and adjuvants: Neuropathic agents and muscle relaxants, selected by pain type.
  • Tier 3, opioids: Reserved for pain that has not responded to earlier steps, with scheduling and documentation requirements.

Each step up the chart brings a new prescribing control, from labeled OTC limits to federal scheduling. Adjuvants for neuropathic pain can join at any step.

Three-step pain medication chart
The tiers rise in risk, and the controls stack up with them, so the opioid step carries the most checks. Compiled from FDA labeling, DEA scheduling and the CDC 2022 guideline.

Over-the-counter (OTC) pain relievers: Comparison table

OTC pain relievers are the most common first step. The table compares the main options and the cautions that matter most in practice.

MedicationTypical dose per labelingKey cautions
AcetaminophenPer product labeling; adult maximum 4 g per dayHepatotoxicity risk, especially with alcohol or other acetaminophen-containing products
IbuprofenPer product labelingGI bleeding, renal effects, cardiovascular risk
NaproxenPer product labelingGI bleeding, renal effects, cardiovascular risk
AspirinPer product labelingGI bleeding, bleeding risk with anticoagulants

Aspirin and NSAIDs raise bleeding risk in patients on anticoagulants. Check the medication history against a blood thinning medication list before recommending either one.

Opioid pain medications: Scheduling and safety controls

Opioids sit at the top of the strength chart and carry the most stringent controls. Scheduling depends on the specific product. Some agents, including tramadol, have been placed in different DEA schedules over time, so verify the current classification before documenting.

Long-acting opioids carry higher overdose risk than immediate-release formulations. Since its 2018 expansion, the FDA Opioid Analgesic REMS covers both immediate-release and extended-release or long-acting opioids for outpatient use.

The label suffix is the quickest way to tell the formulations apart, and a list of medication suffixes decodes ER, XR and the rest. Equianalgesic conversions between opioids are high risk, so make them only with current labeling and clinical judgment.

Non-narcotic prescription pain medications

Non-narcotic pain medication options include prescription NSAIDs, neuropathic agents, muscle relaxants, and topical analgesics. Many patients who need more than an OTC product can be managed here before an opioid is considered.

Neuropathic agents such as gabapentin and pregabalin are often used for nerve pain. Gabapentin is not federally scheduled but is controlled in several US states, and pregabalin is Schedule V federally, so check jurisdiction-specific status.

Nerve pain medications: Neuropathic agents reference

Nerve pain medications work on different pathways from standard analgesics, so they belong on their own row of the chart. Dosing should follow the prescribing information for each agent. Our nerve medication list sorts these agents into treatment tiers with dosing ranges.

AgentTypical useWatch for
GabapentinNeuropathic painSedation, dizziness, state-level controls
PregabalinNeuropathic painSedation, edema, federal Schedule V
DuloxetineChronic pain conditionsNausea, serotonergic interactions

Muscle relaxants and antispasmodics

Muscle relaxer medication is commonly prescribed for short courses in acute muscle spasm. Sedation is the main limiting effect, and combining these agents with other sedating drugs increases the risk.

  • Cyclobenzaprine: Short-course use for acute muscle spasm; sedation is common.
  • Baclofen: Used for spasticity; abrupt withdrawal can cause serious effects.
  • Tizanidine: Used for spasticity; monitor blood pressure and liver function.

How to choose the right pain medication: Clinical decision guide

Pain medications are chosen by step and by pain type, not by strength alone. Start with the lowest-risk effective option, then escalate only when the clinical picture supports it.

  1. Confirm the pain type: Nociceptive, neuropathic, or mixed.
  2. Screen comorbidities: Liver, kidney, GI, cardiovascular, and bleeding risk.
  3. Start with a non-opioid or adjuvant matched to the pain type.
  4. Reassess at a defined interval and escalate stepwise if needed.
  5. Check DEA scheduling and state rules before any controlled prescription.

Step 2 goes faster when the patient has already listed current medications, allergies and liver or kidney history. With paperless patient intake, those answers arrive before the consultation starts.

Safety considerations, drug interactions and contraindications

Every class on the chart carries a specific risk. Acetaminophen carries hepatotoxicity risk, particularly at high doses or with alcohol use. NSAIDs carry GI, renal, and cardiovascular warnings, which the FDA reflects in boxed labeling.

Medication overuse headache is a recognized concern when analgesics are used frequently for headache. Not all frequent analgesic use causes it, so assess pattern and duration before attributing symptoms to overuse. Document the screening you performed.

How Pabau keeps pain prescribing on the patient record

A printed chart often hangs on a wall or sits on a shared drive, while the prescription goes out through a separate system. The note explaining why tier 2 came before tier 3 ends up somewhere else again.

Pabau brings those pieces into one record. Its e-prescribing software writes the script from the patient file and checks for drug interactions as you go. Controlled prescriptions carry a full audit trail.

The intake answers, the treatment note and the prescription sit side by side. So when a patient comes back asking for something stronger, the clinician can see what was tried, at what step, and why.

Prescribe from the chart, in the record

Pabau’s e-prescribing sits inside the patient record, with drug interaction checks and a full audit trail. Every pain medication decision stays on file with the notes behind it.

Pabau practice management dashboard

Conclusion

A chart earns its place when the whole team reads it the same way. Fill in the formulary worksheet with the products your practice stocks, and have a licensed clinician sign it off.

Then put a review date on it. Scheduling moves, as tramadol’s history shows, and the opioid REMS widened in 2018. A chart nobody revisits drifts out of step with the label.

The trade-off is time. A short review each quarter costs far less than a prescription written from a stale schedule. Book a demo to see how Pabau keeps each pain prescription and its reasoning in one patient record.

Continue your research

Continue your research

Need the mechanism behind each drug class? Nursing pharmacology cheat sheet covers 20 common drugs by class in one printable PDF.

Recording doses after the prescription? The medication log template tracks daily, weekly and as-needed doses for each patient.

Charting medicines on a ward? The national inpatient medication chart walks through each section of the standard inpatient form.

Screening before you prescribe? The medical history questionnaire adds a red-flag checklist to the standard history questions.

Frequently asked questions

What is a pain medication chart?

A pain medication chart is a reference that organizes analgesics by class, strength, onset, duration, and DEA schedule. It supports consistent prescribing and documentation across a clinical team.

What is the strongest over-the-counter pain reliever?

No OTC product is strongest for every patient. Among OTC options, NSAIDs such as ibuprofen and naproxen are often considered more potent for inflammatory pain than acetaminophen, but both carry labeled risks.

What is the difference between opioid and non-opioid pain medications?

Opioids act on mu-opioid receptors and carry dependence and overdose risk, while non-opioids work through other mechanisms. Non-opioid options are usually considered first under the WHO analgesic ladder.

When should a clinician prescribe opioids vs NSAIDs?

NSAIDs are typically tried first for inflammatory musculoskeletal pain. Opioids are reserved for moderate to severe pain that has not responded to other steps. The CDC 2022 guideline recommends the lowest effective dose for the shortest duration.

Is gabapentin a controlled substance?

Gabapentin is not federally scheduled in the US but is controlled in several states. Check the status in your jurisdiction before prescribing.

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Anja Dodevska
Content Writer

Anja Dodevska writes about healthcare, dermatology, and the day-to-day realities of running a medical practice for Pabau. She enjoys breaking down complex topics into clear, accessible content and has a soft spot for the often-overlooked aspects of clinic life. When she's not writing, she's exploring cafes, walking her dog, or spending time with friends and family.
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