Can You Take Antidepressants With Birth Control Pills?

Most commonly prescribed antidepressants are not known to make birth control pills less effective. Available evidence is reassuring for selective serotonin reuptake inhibitors, or SSRIs, such as sertraline, fluoxetine, escitalopram, and citalopram. However, research on every possible drug and dose is limited.

Some less common antidepressants may be affected by estrogen-containing pills, and St. John’s wort can reduce hormonal contraceptive effectiveness. A pharmacist or prescribing healthcare provider should check your exact medications.

This article is part of Estroclic's birth control pill interaction guide, which also covers medicines that can affect the pill more broadly.

Do Antidepressants Make Birth Control Pills Less Effective?

For most people taking a commonly prescribed antidepressant, the answer appears to be no.

The best available review of hormonal contraceptives and psychiatric medications found little evidence of clinically significant interactions for most of the medications studied. Studies involving SSRIs did not show higher rates of unintended pregnancy or a clear loss of antidepressant effectiveness when the medicines were used together. The researchers also emphasized that the amount and quality of evidence were limited.

That distinction matters. “No known clinically important interaction” does not mean every combination has been studied perfectly. It means current evidence does not show that common antidepressants routinely cause the pill to fail.

The US Centers for Disease Control and Prevention classifies SSRIs as category 1 with both combined hormonal contraceptives and progestin-only contraceptives. Category 1 means there is no restriction on using the contraceptive method because of that medication class.

Examples of SSRIs include:

• Sertraline, sold as Zoloft
• Fluoxetine, sold as Prozac
• Escitalopram, sold as Lexapro
• Citalopram, sold as Celexa
• Paroxetine, sold as Paxil

These brand names are examples, not a complete list. Your prescription label may show a generic name.

Can the Birth Control Pill Affect an Antidepressant?

Sometimes the concern runs in the other direction.

Estrogen-containing birth control pills can affect the enzymes that process certain medicines. The CDC notes a theoretical possibility that combined hormonal contraceptives could increase blood levels of some antidepressants that are processed by an enzyme called CYP1A2. Examples listed in CDC guidance include duloxetine, mirtazapine, clomipramine, imipramine, and amitriptyline.

This does not mean those combinations are automatically unsafe. It means a prescriber may want to consider side effects, dose, and monitoring. Evidence showing a clinically important problem is limited.

Contact your prescriber if you notice new or worsening effects after starting or stopping an estrogen-containing pill, such as:

• Unusual drowsiness
• Dizziness
• Shakiness
• A racing heartbeat
• Nausea that is difficult to manage
• A major change in mood or anxiety

These symptoms can have many causes. They do not prove an interaction, but they are worth discussing.

The Important Exception: St. John’s Wort

St. John’s wort is sold without a prescription and is sometimes used for low mood. It is still pharmacologically active, and “natural” does not mean interaction-free.

St. John’s wort can increase the activity of enzymes that break down contraceptive hormones. This may lower hormone exposure and could reduce protection. It has also been associated with breakthrough bleeding.

If you take St. John’s wort with the pill, speak with a pharmacist or healthcare provider. Do not assume that a supplement is safe simply because it was purchased over the counter.

When reviewing interactions, include:

• Prescription medications
• Over-the-counter medicines
• Vitamins
• Herbal products
• Powders, gummies, teas, and “mood support” supplements

The ingredient list matters more than the marketing label. For a broader look at supplements and the pill, see can vitamins or supplements affect birth control pills?

What About Fluvoxamine?

CDC guidance notes a theoretical concern involving fluvoxamine because it can inhibit enzymes involved in contraceptive hormone metabolism. However, clinical studies demonstrating a meaningful interaction are lacking.

If you use fluvoxamine, that is a reason for an individualized medication review, not a reason to panic or stop either medicine.

Can Side Effects Make the Pill Less Reliable Indirectly?

An antidepressant does not have to directly change hormone levels to affect real-world pill use.

Nausea or vomiting

Some antidepressants cause nausea when treatment begins or a dose changes. If you vomit soon after taking an active birth control pill, your body may not have absorbed the dose. Follow the missed-pill or vomiting instructions for your specific pill and contact a pharmacist if you are unsure. See what to do if you threw up after taking your birth control pill for the full breakdown by timing.

Severe diarrhea

Severe or prolonged diarrhea may also interfere with absorption. The correct response depends on the pill type and how long the illness lasts. See vomiting, diarrhoea, and the pill: when does illness affect your coverage?

Changes in routine

Depression, anxiety, sleep disruption, and medication side effects can make daily routines harder. Missing pills is a more established threat to protection than an interaction with most SSRIs.

Can the Pill Affect Mood?

Some people notice mood changes after starting or changing hormonal birth control, while others do not. Research does not support one universal reaction. If you want the fuller research picture, see birth control pill and mood changes.

If you already take an antidepressant, track:

• When you started or changed either medication
• Missed doses
• Sleep changes
• Bleeding changes
• Mood symptoms
• Major life events

A dated record can help a healthcare provider distinguish a possible medication effect from other changes happening at the same time.

Seek urgent help if you have thoughts of harming yourself, feel unable to stay safe, experience severe agitation, or develop a sudden and extreme change in behavior. Use your local emergency service or crisis service rather than waiting for a routine appointment.

What Should I Ask My Pharmacist or Doctor?

Bring the exact medication bottles or a complete list. Ask:

1. Is my birth control pill combined or progestin-only?
2. Is my antidepressant known to affect contraceptive hormones?
3. Could my pill change the level of my antidepressant?
4. Do any supplements I take contain St. John’s wort?
5. What should I do if I vomit after taking my pill?
6. Should I monitor blood pressure, mood, or specific side effects?
7. Who should I contact before either prescription changes?

If different clinicians prescribe the medicines, make sure each one knows about the other prescription.

If I Already Took Both Today, Should I Panic?

Usually, no. Taking a commonly prescribed antidepressant and a birth control pill on the same day is not, by itself, an emergency.

Do not take an extra birth control pill or skip an antidepressant in an attempt to “cancel out” an interaction. Check the exact combination with a pharmacist, especially if:

• You take St. John’s wort
• You recently started or stopped either medication
• You have vomiting or severe diarrhea
• You missed active pills
• You had sex after missed pills and are worried about pregnancy
• You have new or severe side effects

If pregnancy is possible, ask promptly whether emergency contraception or pregnancy testing is appropriate. Timing matters.