Can PMDD cause heart palpitations? What it feels like and what helps

Heart palpitations in PMDD often show up as a sudden awareness of your own heartbeat. Many women describe it as:

• A hard, thumping beat in the chest or throat
• A flutter or skipped beat, like your heart stumbled
• A racing heart with no clear trigger
• A pounding sensation strong enough to feel in your ears or neck

It can last a few seconds or run for several minutes. It often arrives alongside PMDD's other symptoms: irritability, a wave of anxiety, or a sudden low mood. Some women notice it most when lying down at night or right after standing up. The sensation itself is rarely dangerous, but it can be startling, especially before you connect it to your cycle.

PMDD is a different reaction to normal hormone changes, not a sign that your hormone levels are abnormal (Schmidt et al., 1998, NEJM; Dubey et al., 2017, Molecular Psychiatry). In the week or so before your period, estrogen and progesterone both drop. That drop affects the automatic system that sets your heart rate without you thinking about it.

For most people this shift passes unnoticed. In PMDD, the same hormone drop seems to affect this system more strongly, which can show up as:

• A faster resting heart rate
• A heart that feels like it's working harder for no reason
• More sensitivity to caffeine, alcohol, or stress that same week

Anxiety plays a part too. PMDD often brings a sharp rise in anxiety premenstrually, and anxiety itself speeds the heart and makes you more aware of each beat. The two feed each other: a pounding heart can make you more anxious, and anxiety can make your heart pound harder. Learn about the other PMDD symptoms this pattern can include.

PMS can also bring heart palpitations in the days before your period, but the pattern around it looks different.

If palpitations show up with only mild mood changes and ease as soon as your period starts, PMS fits better. If they come with intense irritability or anxiety, and the pattern repeats most of the final week every cycle, it's worth reading about PMDD symptoms and what PMDD is. For a broader look at the physical side, see heart palpitations before your period.

Heart palpitations tend to cluster in the luteal phase, the stretch between ovulation and your period. Progesterone peaks about a week after ovulation, then both progesterone and estrogen fall sharply in the final days before bleeding starts.

That drop is usually when palpitations feel worst, often alongside the heaviest mood symptoms. Once your period starts and hormone levels stop falling, palpitations and other PMDD symptoms usually ease within a few days.

Some women also notice a smaller rise around ovulation itself, when estrogen briefly peaks and then dips. That one is usually milder and shorter than the premenstrual pattern.

If you want to see roughly where you are in that window, a PMS calculator can estimate when your luteal phase starts based on your cycle length. For a closer look at why this phase affects your heart, see heart palpitations in the luteal phase.

When your heart starts pounding, the first move is to slow your breathing, not your heart rate directly. Try this:

1. Sit or lie down somewhere you can stay still for a few minutes
2. Breathe in for four counts, then out for six
3. Place a hand on your chest and notice the rhythm slow as you exhale longer than you inhale
4. Skip caffeine or alcohol for the rest of that day
5. Remind yourself this will pass, and keep breathing until it eases

Most palpitations settle within a few minutes once you slow your breathing and sit still. If anxiety or a specific thought is driving it, like replaying an argument, it helps to get the thought out of your head and onto paper.

Niyora is a PMS and PMDD support app. If a fight or racing thoughts are behind the pounding heart, Niyora's Moon lets you write what happened, see it from another angle, calm down, and draft a reply you can hold onto before you send anything.

No treatment is specifically approved for PMDD heart palpitations. The options below treat PMDD as a whole, and calmer hormones or lower anxiety often mean calmer palpitations too.

A doctor decides what's right for you based on your symptoms and history.

A clear pattern is the most useful thing you can bring to an appointment. Track for at least two cycles, since PMDD is confirmed by daily ratings over that stretch.

Each day, note:

1. The date and your cycle day
2. Whether palpitations happened, and roughly how long they lasted
3. What else you felt: anxious, irritable, low, or physically unwell
4. What you were doing when it started (resting, caffeine, an argument)

A simple notes app or paper calendar works fine. The goal is to show your doctor the shape of the pattern: it starts after ovulation, peaks in the final few days, and eases once your period begins.

If you're not sure whether your pattern looks like PMS or PMDD, this quiz can help you see how much it's affecting you before you track for two full cycles. Bring whatever you have. Even an incomplete record helps.